diff --git a/.github/workflows/bandit.yml b/.github/workflows/bandit.yml
index 09cbc09..d8d90a2 100644
--- a/.github/workflows/bandit.yml
+++ b/.github/workflows/bandit.yml
@@ -56,7 +56,7 @@ jobs:
             --exit-zero
 
       - name: Upload SARIF to GitHub Security tab
-        uses: github/codeql-action/upload-sarif@v3
+        uses: github/codeql-action/upload-sarif@v4
         with:
           sarif_file: bandit-results.sarif
           category: bandit
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 94a301f..bf95655 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -35,7 +35,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v3
+        uses: github/codeql-action/init@v4
         with:
           languages: ${{ matrix.language }}
           # 'security-and-quality' catches:
@@ -46,9 +46,9 @@ jobs:
 
       # CodeQL autobuild handles both pip (pyproject.toml) and npm (frontend/)
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v3
+        uses: github/codeql-action/autobuild@v4
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v3
+        uses: github/codeql-action/analyze@v4
         with:
           category: "/language:${{ matrix.language }}"