diff --git a/.github/workflows/claude.yml b/.github/workflows/claude.yml
index 0790e19..48d0250 100644
--- a/.github/workflows/claude.yml
+++ b/.github/workflows/claude.yml
@@ -34,7 +34,7 @@ jobs:
         run: |
           echo 'Skipping Claude PR Assistant - Claude OAuth secrets not set'
       - name: Checkout repository
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 1
 
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 613c3b1..4e07fa5 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,15 +23,15 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v4
         with:
           languages: ${{ matrix.language }}
           queries: security-and-quality
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v4
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/deployment-check.yml b/.github/workflows/deployment-check.yml
index 4e791c8..e2b12de 100644
--- a/.github/workflows/deployment-check.yml
+++ b/.github/workflows/deployment-check.yml
@@ -78,7 +78,7 @@ jobs:
       # Report status back to Vercel via commit status
       - name: Report check result
         if: always()
-        uses: actions/github-script@v7
+        uses: actions/github-script@v9
         with:
           script: |
             const state = '${{ job.status }}' === 'success' ? 'success' : 'failure';
diff --git a/.github/workflows/init-upstream.yml b/.github/workflows/init-upstream.yml
index c24c6d9..0dd5883 100644
--- a/.github/workflows/init-upstream.yml
+++ b/.github/workflows/init-upstream.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0 # Fetch all history
           token: ${{ secrets.GITHUB_TOKEN }}
diff --git a/.github/workflows/sync-upstream.yml b/.github/workflows/sync-upstream.yml
index cac9719..2c88d82 100644
--- a/.github/workflows/sync-upstream.yml
+++ b/.github/workflows/sync-upstream.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v7
         with:
           fetch-depth: 0 # Fetch all history for merging
           token: ${{ secrets.GITHUB_TOKEN }} # Use default token for checkout
@@ -97,7 +97,7 @@ jobs:
         run: git push --set-upstream origin ${{ steps.sync_branch.outputs.name }}
 
       - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v6
+        uses: peter-evans/create-pull-request@v8
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: ${{ steps.merge_status.outputs.COMMIT_MESSAGE }}