diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index d2a2076..b4b9e2d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -24,7 +24,9 @@ jobs:
       - name: Test
         run: yarn test:src && yarn test:contracts
       - name: Build project
-        run: yarn build:contracts & yarn build:src
+        run: |
+          yarn build:contracts
+          yarn build:src
       - name: Release
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/package.json b/package.json
index 11b4dcd..328859c 100644
--- a/package.json
+++ b/package.json
@@ -95,7 +95,7 @@
     "@openzeppelin/contracts": "^4.8.3"
   },
   "scripts": {
-    "build:contracts": "hardhat clean && hardhat compile && tsc -p ./tsconfig.build.json",
+    "build:contracts": "hardhat compile",
     "build:src": "rm -rf ./lib && tsc -p ./tsconfig.build.json",
     "test:contracts": "hardhat test",
     "test:src": "mocha -t 60000 --extension spec.ts test/src",