diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index 3559863..4cadc13 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -6,7 +6,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/cache@v1
+      - uses: actions/cache@v2.1.4
         with:
           path: ~/.npm
           key: npm-${{ hashFiles('**/package-lock.json') }}