diff --git a/languages/ar.json b/languages/ar.json
index 8ddb6fc..219b56c 100644
--- a/languages/ar.json
+++ b/languages/ar.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/de.json b/languages/de.json
index e2c064e..87bd810 100644
--- a/languages/de.json
+++ b/languages/de.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/en.json b/languages/en.json
index 9ce6965..cc0a24c 100644
--- a/languages/en.json
+++ b/languages/en.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/es.json b/languages/es.json
index 3bbd6bf..88c2627 100644
--- a/languages/es.json
+++ b/languages/es.json
@@ -486,5 +486,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/fr.json b/languages/fr.json
index 41679e5..6546a71 100644
--- a/languages/fr.json
+++ b/languages/fr.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/hi.json b/languages/hi.json
index e7de12a..858980d 100644
--- a/languages/hi.json
+++ b/languages/hi.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/id.json b/languages/id.json
index 3cc9ed4..fe3e9ac 100644
--- a/languages/id.json
+++ b/languages/id.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/it.json b/languages/it.json
index 6613b42..36b46a8 100644
--- a/languages/it.json
+++ b/languages/it.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/ja.json b/languages/ja.json
index 1223f74..49fd581 100644
--- a/languages/ja.json
+++ b/languages/ja.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/pl.json b/languages/pl.json
index 606a076..47a7875 100644
--- a/languages/pl.json
+++ b/languages/pl.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/pt.json b/languages/pt.json
index c8a30fe..4963d1b 100644
--- a/languages/pt.json
+++ b/languages/pt.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/ru.json b/languages/ru.json
index bc92200..0af313e 100644
--- a/languages/ru.json
+++ b/languages/ru.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/tr.json b/languages/tr.json
index b06145d..4a5a2f7 100644
--- a/languages/tr.json
+++ b/languages/tr.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/languages/zh.json b/languages/zh.json
index f5fe7e2..13eaacf 100644
--- a/languages/zh.json
+++ b/languages/zh.json
@@ -503,5 +503,22 @@
     "verification_failed": "SHA256 verification failed. The downloaded file may be corrupted or tampered with.",
     "setup_failed": "Failed to set up Deno. Some features may not work correctly.",
     "setup_error": "Setup Error"
+  },
+  "deno_updater": {
+    "title": "Deno Version Checker & Updater",
+    "description": "Check your Deno version and update to the latest release.",
+    "current_version": "Current Version:",
+    "latest_version": "Latest Version:",
+    "status_idle": "Click 'Check for Updates' to get started",
+    "status_checking": "🔄 Checking for updates...",
+    "status_up_to_date": "✓ Up to date",
+    "status_update_available": "⚠ Update available",
+    "status_not_installed": "✗ Not installed",
+    "check_updates": "Check for Updates",
+    "update_now": "Update Deno",
+    "updating": "🔄 Updating Deno...",
+    "update_success": "✅ Deno has been successfully updated!",
+    "update_failed": "❌ Update failed: {error}",
+    "check_failed": "Failed to check for updates. Please check your internet connection."
   }
 }
\ No newline at end of file
diff --git a/src/core/ytsage_deno.py b/src/core/ytsage_deno.py
index 5d6d137..7444cfd 100644
--- a/src/core/ytsage_deno.py
+++ b/src/core/ytsage_deno.py
@@ -595,3 +595,150 @@ def setup_deno(parent_widget=None):
     # User cancelled or setup failed, return the fallback command
     logger.debug("Returning fallback command 'deno'")
     return "deno"
+
+
+def get_latest_deno_version() -> Optional[str]:
+    """
+    Fetch the latest Deno version from GitHub API.
+    
+    Returns:
+        str: Version string (e.g., "2.5.6") or None if fetch failed
+    """
+    try:
+        response = requests.get(
+            "https://api.github.com/repos/denoland/deno/releases/latest",
+            timeout=10
+        )
+        response.raise_for_status()
+        data = response.json()
+        
+        # Get tag_name (e.g., "v2.5.6") and remove 'v' prefix
+        tag_name = data.get("tag_name", "")
+        if tag_name.startswith("v"):
+            version = tag_name[1:]
+        else:
+            version = tag_name
+        
+        logger.info(f"Latest Deno version: {version}")
+        return version
+        
+    except requests.RequestException as e:
+        logger.error(f"Failed to fetch latest Deno version: {e}")
+        return None
+    except Exception as e:
+        logger.exception(f"Unexpected error fetching Deno version: {e}")
+        return None
+
+
+def compare_deno_versions(current: str, latest: str) -> bool:
+    """
+    Compare two Deno version strings.
+    
+    Args:
+        current: Current version string (e.g., "2.5.6")
+        latest: Latest version string (e.g., "2.5.7")
+        
+    Returns:
+        bool: True if update is needed (latest > current), False otherwise
+    """
+    try:
+        import re
+        
+        def parse_version(version_str: str) -> tuple:
+            """Parse version string into tuple of integers."""
+            # Remove 'v' prefix if present
+            if version_str.startswith('v'):
+                version_str = version_str[1:]
+            
+            # Extract version numbers
+            match = re.search(r'(\d+\.\d+\.\d+)', version_str)
+            if match:
+                version_str = match.group(1)
+            
+            parts = version_str.split('.')
+            return tuple(int(p) for p in parts if p.isdigit())
+        
+        current_tuple = parse_version(current)
+        latest_tuple = parse_version(latest)
+        
+        logger.debug(f"Comparing Deno versions: {current_tuple} vs {latest_tuple}")
+        return latest_tuple > current_tuple
+        
+    except (ValueError, AttributeError) as e:
+        logger.warning(f"Could not compare Deno versions: {e}")
+        return False
+
+
+def upgrade_deno() -> tuple[bool, str]:
+    """
+    Upgrade Deno to the latest version using 'deno upgrade' command.
+    
+    Returns:
+        tuple: (success: bool, output: str) - Success status and command output
+    """
+    try:
+        deno_path = DENO_APP_BIN_PATH
+        
+        if not deno_path.exists():
+            error_msg = f"Deno binary not found at: {deno_path}"
+            logger.error(error_msg)
+            return False, error_msg
+        
+        logger.info(f"Upgrading Deno using: {deno_path}")
+        
+        # Run deno upgrade command
+        result = subprocess.run(
+            [str(deno_path), "upgrade"],
+            capture_output=True,
+            text=True,
+            timeout=300,  # 5 minutes timeout
+            creationflags=SUBPROCESS_CREATIONFLAGS
+        )
+        
+        output = result.stdout + result.stderr
+        
+        if result.returncode == 0:
+            logger.info("Deno upgrade successful")
+            logger.debug(f"Upgrade output: {output}")
+            return True, output
+        else:
+            logger.error(f"Deno upgrade failed with code {result.returncode}")
+            logger.error(f"Output: {output}")
+            return False, output
+            
+    except subprocess.TimeoutExpired:
+        error_msg = "Deno upgrade timed out after 5 minutes"
+        logger.error(error_msg)
+        return False, error_msg
+    except Exception as e:
+        error_msg = f"Error upgrading Deno: {str(e)}"
+        logger.exception(error_msg)
+        return False, error_msg
+
+
+def check_deno_update() -> tuple[bool, str, str]:
+    """
+    Check if a Deno update is available.
+    
+    Returns:
+        tuple: (update_needed: bool, current_version: str, latest_version: str)
+    """
+    try:
+        # Get current version
+        current_version = get_deno_version_direct()
+        if current_version in ["Not found", "Error getting version"]:
+            return False, current_version, "Unknown"
+        
+        # Get latest version
+        latest_version = get_latest_deno_version()
+        if not latest_version:
+            return False, current_version, "Error"
+        
+        # Compare versions
+        update_needed = compare_deno_versions(current_version, latest_version)
+        
+        return update_needed, current_version, latest_version
+        
+    except Exception as e:
+        logger.exception(f"Error checking Deno update: {e}")
+        return False, "Error", "Error"
diff --git a/src/gui/ytsage_gui_dialogs/ytsage_dialogs_updater.py b/src/gui/ytsage_gui_dialogs/ytsage_dialogs_updater.py
index c0a67b2..c86d1ba 100644
--- a/src/gui/ytsage_gui_dialogs/ytsage_dialogs_updater.py
+++ b/src/gui/ytsage_gui_dialogs/ytsage_dialogs_updater.py
@@ -29,6 +29,7 @@ from src.core.ytsage_utils import (
     update_auto_update_settings,
 )
 from src.core.ytsage_yt_dlp import get_yt_dlp_path
+from src.core.ytsage_deno import check_deno_update, upgrade_deno
 from src.gui.ytsage_gui_dialogs.ytsage_dialogs_update import YTDLPUpdateDialog
 from src.utils.ytsage_config_manager import ConfigManager
 from src.utils.ytsage_localization import _
@@ -290,6 +291,116 @@ class UpdaterTabWidget(QWidget):
         
         layout.addWidget(ffmpeg_group)
         
+        # === Deno Version Check & Update Section ===
+        deno_group = QGroupBox(_('deno_updater.title'))
+        deno_layout = QVBoxLayout(deno_group)
+        
+        # Description
+        deno_desc = QLabel(_('deno_updater.description'))
+        deno_desc.setWordWrap(True)
+        deno_desc.setStyleSheet("color: #999999; padding: 10px;")
+        deno_layout.addWidget(deno_desc)
+        
+        # Version information layout
+        deno_version_layout = QVBoxLayout()
+        
+        # Current version
+        deno_current_layout = QHBoxLayout()
+        deno_current_label = QLabel(_('deno_updater.current_version'))
+        deno_current_label.setStyleSheet("font-weight: bold; color: #ffffff;")
+        deno_current_layout.addWidget(deno_current_label)
+        
+        self.deno_current_version_label = QLabel("...")
+        self.deno_current_version_label.setStyleSheet("color: #cccccc;")
+        deno_current_layout.addWidget(self.deno_current_version_label)
+        deno_current_layout.addStretch()
+        deno_version_layout.addLayout(deno_current_layout)
+        
+        # Latest version
+        deno_latest_layout = QHBoxLayout()
+        deno_latest_label = QLabel(_('deno_updater.latest_version'))
+        deno_latest_label.setStyleSheet("font-weight: bold; color: #ffffff;")
+        deno_latest_layout.addWidget(deno_latest_label)
+        
+        self.deno_latest_version_label = QLabel("...")
+        self.deno_latest_version_label.setStyleSheet("color: #cccccc;")
+        deno_latest_layout.addWidget(self.deno_latest_version_label)
+        deno_latest_layout.addStretch()
+        deno_version_layout.addLayout(deno_latest_layout)
+        
+        deno_layout.addLayout(deno_version_layout)
+        
+        # Status label
+        self.deno_status_label = QLabel(_('deno_updater.status_idle'))
+        self.deno_status_label.setWordWrap(True)
+        self.deno_status_label.setStyleSheet(
+            "color: #888888; font-size: 12px; padding: 8px; "
+            "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+        )
+        deno_layout.addWidget(self.deno_status_label)
+        
+        # Buttons layout
+        deno_button_layout = QHBoxLayout()
+        
+        # Check for updates button
+        self.deno_check_button = QPushButton(_('deno_updater.check_updates'))
+        self.deno_check_button.clicked.connect(self.check_deno_updates)
+        self.deno_check_button.setStyleSheet(
+            """
+            QPushButton {
+                padding: 8px 15px;
+                background-color: #444444;
+                border: none;
+                border-radius: 4px;
+                color: white;
+                font-weight: bold;
+                min-width: 120px;
+            }
+            QPushButton:hover {
+                background-color: #555555;
+            }
+            QPushButton:disabled {
+                background-color: #2a2a2a;
+                color: #666666;
+            }
+        """
+        )
+        deno_button_layout.addWidget(self.deno_check_button)
+        
+        # Update button (initially hidden)
+        self.deno_update_button = QPushButton(_('deno_updater.update_now'))
+        self.deno_update_button.clicked.connect(self.update_deno)
+        self.deno_update_button.setVisible(False)
+        self.deno_update_button.setStyleSheet(
+            """
+            QPushButton {
+                padding: 8px 15px;
+                background-color: #c90000;
+                border: none;
+                border-radius: 4px;
+                color: white;
+                font-weight: bold;
+                min-width: 120px;
+            }
+            QPushButton:hover {
+                background-color: #a50000;
+            }
+            QPushButton:pressed {
+                background-color: #800000;
+            }
+            QPushButton:disabled {
+                background-color: #2a2a2a;
+                color: #666666;
+            }
+        """
+        )
+        deno_button_layout.addWidget(self.deno_update_button)
+        
+        deno_button_layout.addStretch()
+        deno_layout.addLayout(deno_button_layout)
+        
+        layout.addWidget(deno_group)
+        
         # === yt-dlp Release Channel Section ===
         ytdlp_channel_group = QGroupBox(_("settings.ytdlp_channel"))
         ytdlp_channel_layout = QVBoxLayout()
@@ -697,3 +808,116 @@ class UpdaterTabWidget(QWidget):
             "color: #ff6666; font-size: 12px; padding: 8px; "
             "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
         )
+    
+    def check_deno_updates(self) -> None:
+        """Check for Deno updates."""
+        self.deno_check_button.setEnabled(False)
+        self.deno_update_button.setVisible(False)
+        self.deno_status_label.setText(_('deno_updater.status_checking'))
+        self.deno_status_label.setStyleSheet(
+            "color: #ffaa00; font-size: 12px; padding: 8px; "
+            "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+        )
+        
+        # Run check in background thread
+        def check_thread():
+            try:
+                update_available, current_version, latest_version = check_deno_update()
+                
+                # Update UI in main thread
+                self.deno_check_button.setEnabled(True)
+                self._update_deno_check_results(update_available, current_version, latest_version)
+                
+            except Exception as e:
+                logger.exception(f"Error checking Deno version: {e}")
+                self.deno_check_button.setEnabled(True)
+                self._show_deno_check_error(str(e))
+        
+        thread = threading.Thread(target=check_thread, daemon=True)
+        thread.start()
+    
+    def _update_deno_check_results(self, update_available: bool, current_version: str, latest_version: str) -> None:
+        """Handle completion of Deno version check."""
+        # Update version labels
+        self.deno_current_version_label.setText(current_version)
+        self.deno_latest_version_label.setText(latest_version)
+        
+        # Update status
+        if current_version in ["Not found", "Error getting version"]:
+            self.deno_status_label.setText(_('deno_updater.status_not_installed'))
+            self.deno_status_label.setStyleSheet(
+                "color: #ff6666; font-size: 12px; padding: 8px; "
+                "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+            )
+        elif update_available:
+            self.deno_status_label.setText(_('deno_updater.status_update_available'))
+            self.deno_status_label.setStyleSheet(
+                "color: #ffaa00; font-size: 12px; padding: 8px; "
+                "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+            )
+            # Show update button
+            self.deno_update_button.setVisible(True)
+        else:
+            self.deno_status_label.setText(_('deno_updater.status_up_to_date'))
+            self.deno_status_label.setStyleSheet(
+                "color: #00cc00; font-size: 12px; padding: 8px; "
+                "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+            )
+    
+    def _show_deno_check_error(self, error: str) -> None:
+        """Handle error during Deno version check."""
+        self.deno_status_label.setText(_('deno_updater.check_failed'))
+        self.deno_status_label.setStyleSheet(
+            "color: #ff6666; font-size: 12px; padding: 8px; "
+            "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+        )
+    
+    def update_deno(self) -> None:
+        """Update Deno to the latest version."""
+        self.deno_check_button.setEnabled(False)
+        self.deno_update_button.setEnabled(False)
+        self.deno_status_label.setText(_('deno_updater.updating'))
+        self.deno_status_label.setStyleSheet(
+            "color: #ffaa00; font-size: 12px; padding: 8px; "
+            "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+        )
+        
+        # Run update in background thread
+        def update_thread():
+            try:
+                success, output = upgrade_deno()
+                
+                # Update UI in main thread
+                self.deno_check_button.setEnabled(True)
+                self.deno_update_button.setEnabled(True)
+                self._handle_deno_update_result(success, output)
+                
+            except Exception as e:
+                logger.exception(f"Error updating Deno: {e}")
+                self.deno_check_button.setEnabled(True)
+                self.deno_update_button.setEnabled(True)
+                self._handle_deno_update_result(False, str(e))
+        
+        thread = threading.Thread(target=update_thread, daemon=True)
+        thread.start()
+    
+    def _handle_deno_update_result(self, success: bool, output: str) -> None:
+        """Handle Deno update completion."""
+        if success:
+            self.deno_status_label.setText(_('deno_updater.update_success'))
+            self.deno_status_label.setStyleSheet(
+                "color: #00cc00; font-size: 12px; padding: 8px; "
+                "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+            )
+            self.deno_update_button.setVisible(False)
+            
+            # Re-check version to update display
+            self.check_deno_updates()
+        else:
+            # Extract meaningful error from output
+            error_msg = output if output else "Unknown error"
+            self.deno_status_label.setText(_('deno_updater.update_failed', error=error_msg))
+            self.deno_status_label.setStyleSheet(
+                "color: #ff6666; font-size: 12px; padding: 8px; "
+                "background-color: #2a2d36; border-radius: 4px; margin: 5px 0;"
+            )