diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 18c8c26..7d15dd5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -43,7 +43,7 @@ jobs:
         uses: docker/setup-buildx-action@v1
 
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-${{ env.APP_IDENTIFIER }}-${{ github.sha }}