diff --git a/.github/workflows/node CI.yml b/.github/workflows/node CI.yml
index 29e9fcb..dea343d 100644
--- a/.github/workflows/node CI.yml	
+++ b/.github/workflows/node CI.yml	
@@ -29,5 +29,7 @@ jobs:
         uses: actions/setup-node@v1
         with:
           node-version: '18.x'
+      - name: run Prettier
+        run: npx prettier --check .
       - name: Run npm
         run: npm install && npm run build