diff --git a/.github/workflows/build_and_publish.yml b/.github/workflows/build_and_publish.yml
index d0f48f8..bc45bc7 100644
--- a/.github/workflows/build_and_publish.yml
+++ b/.github/workflows/build_and_publish.yml
@@ -1,60 +1,61 @@
 name: Build jsgeoda 
 
-on: [push]
+on: [push, pull_request]
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
-    strategy:
-      matrix:
-        node-version: [12.x]
-
     permissions:
       packages: write
       contents: read
-
     steps:
-    - uses: actions/checkout@v2
-
-    - name: Use Node.js ${{ matrix.node-version }}
-      uses: actions/setup-node@v2
-      with:
-        node-version: ${{ matrix.node-version }}
-        registry-url: https://npm.pkg.github.com/
-        scope: '@geodacenter'
-
-    - name: Build&Test jsgeoda
-      run: |
-        npm install
-        npm run build --if-present
-        npm test
-      env:
-        # replace ${GITHUB_TOKEN} in .npmrc
-        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-
-    # Publish to GitHub Package Registry
-    - name: Publish to GitHub Package Registry
-      # Only when release
-      if: startsWith(github.ref, 'refs/tags/v')
-      run: |
-        npm publish
-      env:
-        # replace ${GITHUB_TOKEN} in .npmrc
-        GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
-
-    # Publish to NPM registry
-    - name: Use Node.js ${{ matrix.node-version }} for NPM
-      uses: actions/setup-node@v2
-      with:
-        node-version: ${{ matrix.node-version }}
-        registry-url: https://registry.npmjs.org/
-
-    - name: Publish to NPM Registry
-      run: |
-        rm .npmrc
-        echo //registry.npmjs.org/:_authToken=$NODE_AUTH_TOKEN > .npmrc
-        npm publish --access public
-      env:
-        NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 12
+      - name: Build&Test jsgeoda
+        run: |
+          npm install
+          npm run build --if-present
+          npm test
+
+  publish-npm:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 12
+          registry-url: https://registry.npmjs.org/
+      - name: publis-npm
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          npm install
+          npm run build
+          npm publish --access public
+        env:
+          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}
+
+  publish-gpr:
+    needs: build
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-node@v2
+        with:
+          node-version: 12
+          registry-url: https://npm.pkg.github.com/
+          scope: '@geodacenter'
+      - name: publish-gpr
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          npm install
+          npm run build
+          echo //npm.pkg.github.com/:_authToken=${GITHUB_TOKEN} > .npmrc
+          echo @geodacenter:registry=https://npm.pkg.github.com >> .npmrc
+          echo always-auth=true >> .npmrc
+          npm publish
+        env:
+          # replace ${GITHUB_TOKEN} in .npmrc
+          GITHUB_TOKEN: ${{secrets.GITHUB_TOKEN}}
diff --git a/.npmrc b/.npmrc
deleted file mode 100644
index 164db61..0000000
--- a/.npmrc
+++ /dev/null
@@ -1,3 +0,0 @@
-//npm.pkg.github.com/:_authToken=${GITHUB_TOKEN}
-@geodacenter:registry=https://npm.pkg.github.com
-always-auth=true
diff --git a/package.json b/package.json
index 8825bc1..16c0bd4 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,6 @@
     "serve": "http-server",
     "start": "npm run build && npm run serve",
     "doc": "jsdoc -d docs --configure jsconf.json --readme README.md",
-    "publish": "npm run build:bundle && npm publish --access public",
     "test": "tape tests/**/*.js"
   },
   "devDependencies": {
@@ -65,8 +64,5 @@
   },
   "engines": {
     "node": ">=12"
-  },
-  "publishConfig": {
-    "@geodacenter:registry": "https://npm.pkg.github.com"
   }
 }