diff --git a/.github/workflows/build-test.yml b/.github/workflows/build-test.yml
index 2aac52b..89a5944 100644
--- a/.github/workflows/build-test.yml
+++ b/.github/workflows/build-test.yml
@@ -26,7 +26,7 @@ jobs:
         shell: bash
         run: echo "dir=$(npm config get cache)" >> ${GITHUB_OUTPUT}
 
-      - uses: actions/cache@v4
+      - uses: actions/cache@ab5e6d0c87105b4c9c2047343972218f562e4319 # v4
         id: npm-cache
         with:
           path: ${{ steps.npm-cache-dir.outputs.dir }}