diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index ce0a9de..c25857e 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -17,12 +17,12 @@ jobs:
     timeout-minutes: 10
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v2
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v4
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - run: yarn
-      # - run: yarn prettier:check
+      - run: yarn prettier:check
       - run: yarn test:coverage
       - run: yarn build