diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a325331..a5ed907 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -473,7 +473,7 @@ jobs:
             network=host
       -
         name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: /tmp/.buildx-cache
           key: ${{ runner.os }}-buildx-ghcache-${{ github.sha }}
@@ -541,7 +541,7 @@ jobs:
             network=host
       -
         name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         id: cache
         with:
           path: /tmp/.buildx-cache