diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index d80a533..1c90902 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -70,7 +70,7 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.golang }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v2.1.4
         with:
           path: ~/go/pkg/mod
           key: ${{ runner.os }}-go-${{ matrix.golang }}-${{ hashFiles('**/go.sum') }}
@@ -91,7 +91,7 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.golang }}
-      - uses: actions/cache@v2
+      - uses: actions/cache@v2.1.4
         with:
           path: ~/go/pkg/mod
           key: coverage-${{ runner.os }}-go-${{ matrix.golang }}-${{ hashFiles('**/go.sum') }}