diff --git a/.github/workflows/pull_request.yaml b/.github/workflows/pull_request.yaml
index d5d9e7e..6d6bce8 100644
--- a/.github/workflows/pull_request.yaml
+++ b/.github/workflows/pull_request.yaml
@@ -16,7 +16,7 @@ jobs:
     steps:
       - name: Check out repository code
         uses: actions/checkout@v2
-      - uses: actions/cache@v2.1.6
+      - uses: actions/cache@v2.1.8
         with:
           path: '**/node_modules'
           key: ${{ runner.os }}-modules-${{ hashFiles('**/yarn.lock') }}