diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f3f1589..04546cf 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -22,10 +22,12 @@ jobs:
       CI_JOB_NUMBER: 2
     steps:
       - uses: actions/checkout@v1
+        with:
+          fetch-depth: 0
       - name: Use Node.js 20.x
         uses: actions/setup-node@v6
         with:
           node-version-file: '.nvmrc'
       - run: corepack enable
       - run: yarn install
-      - run: yarn build
+      - run: yarn build:modified origin/${{ github.event.pull_request.base.ref }}
diff --git a/.github/workflows/npm-publish.yml b/.github/workflows/npm-publish.yml
index ebc6d83..2d25d19 100644
--- a/.github/workflows/npm-publish.yml
+++ b/.github/workflows/npm-publish.yml
@@ -17,7 +17,7 @@ jobs:
       - run: corepack enable
       - run: yarn
       - run: yarn lint-test
-      - run: yarn build
+      - run: yarn build:all
       - run: yarn workspace @hawk.so/javascript publish --access=public
         env:
           NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}
diff --git a/package.json b/package.json
index cc5554f..21d4720 100644
--- a/package.json
+++ b/package.json
@@ -9,7 +9,8 @@
   ],
   "scripts": {
     "dev": "yarn workspace @hawk.so/javascript dev",
-    "build": "yarn workspace @hawk.so/javascript build",
+    "build:all": "yarn workspaces foreach -Apt run build",
+    "build:modified": "yarn workspaces foreach --since=\"$@\" -Rpt run build",
     "stats": "yarn workspace @hawk.so/javascript stats",
     "lint": "eslint -c ./.eslintrc.cjs packages/*/src --ext .ts,.js --fix",
     "lint-test": "eslint -c ./.eslintrc.cjs packages/*/src --ext .ts,.js"