diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 50a7a52..bbdd55f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -38,7 +38,7 @@ jobs:
         uses: actions/checkout@v7
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@v4.37.4
         with:
           languages: ${{ matrix.language }}
           # security-extended adds rules beyond the default set; matches
@@ -47,9 +47,9 @@ jobs:
 
       - name: Autobuild
         if: matrix.language == 'go'
-        uses: github/codeql-action/autobuild@v4
+        uses: github/codeql-action/autobuild@v4.37.4
 
       - name: Analyze
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@v4.37.4
         with:
           category: "/language:${{ matrix.language }}"
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index ade91fd..4a7e7d5 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -84,7 +84,7 @@ jobs:
           output: trivy-results.sarif
 
       - name: Upload SARIF
-        uses: github/codeql-action/upload-sarif@v4
+        uses: github/codeql-action/upload-sarif@v4.37.4
         if: always()
         with:
           sarif_file: trivy-results.sarif