diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0fb2c49..4be447a 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -27,7 +27,7 @@ jobs:
         uses: actions/checkout@v2
       -
         name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: /tmp/.docker-cache
           key: ${{ runner.os }}-docker-${{ github.sha }}