diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0e0b224..d10b769 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -34,7 +34,7 @@ jobs:
           password: ${{ secrets.PACKAGES_TOKEN }}
           registry: ghcr.io
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         id: cache
         with:
           path: /tmp/.buildx-cache
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 3409eb0..efdc278 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -37,7 +37,7 @@ jobs:
           password: ${{ secrets.PACKAGES_TOKEN }}
           registry: ghcr.io
       - name: Cache Docker layers
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         id: cache
         with:
           path: /tmp/.buildx-cache