diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 97e32f46..1619e17e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -112,7 +112,7 @@ jobs:
         uses: ./.github/actions/configure-environment
 
       - name: Initialize CodeQL
-        uses: github/codeql-action/init@v4
+        uses: github/codeql-action/init@24c54180a607b1449ed407dd24f251e4e9147c8d # v4.38.3
         with:
           languages: ${{ matrix.language }}
 
@@ -121,7 +121,7 @@ jobs:
           just build-all
 
       - name: Perform CodeQL Analysis
-        uses: github/codeql-action/analyze@v4
+        uses: github/codeql-action/analyze@24c54180a607b1449ed407dd24f251e4e9147c8d # v4.38.3
         with:
           category: "/language:${{matrix.language}}"