diff --git a/.github/workflows/codecov.yml b/.github/workflows/codecov.yml
index 697f1ba..4991471 100644
--- a/.github/workflows/codecov.yml
+++ b/.github/workflows/codecov.yml
@@ -10,7 +10,7 @@ jobs:
         with:
           go-version: 1.14
       - name: cache
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.5
         with:
           path: |
             ~/.cache/go-build