diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2eb6e44..32af9ff 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -12,7 +12,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
-      - run: npm install
+      - run: yarn install
       - run: npx hardhat test
 
   # lint: