diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 8000cfe..5c96498 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,17 +23,17 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@v4.37.4
         with:
           languages: python
           # REM: Queries include standard security checks plus extended OWASP patterns.
           queries: security-and-quality
 
       - name: Autobuild
-        uses: github/codeql-action/autobuild@v4
+        uses: github/codeql-action/autobuild@v4.37.4
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@v4.37.4
         continue-on-error: true
         # REM: SARIF upload requires public repo or GitHub Advanced Security.
         # REM: continue-on-error keeps CI green while private; resolves automatically on go-public.