diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 5506154..97d9349 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -39,13 +39,13 @@ jobs:
         uses: actions/checkout@v6
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@v4.37.3
         with:
           languages: ${{ matrix.language }}
           queries: security-extended
 
       # Python is interpreted — no build step needed.
       - name: Perform CodeQL analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@v4.37.3
         with:
           category: "/language:${{ matrix.language }}"