diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6aa7f98..08b2210 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,22 +3,21 @@ name: ci
 on:
   push:
     branches:
-      - main
-  pull_request:
-    types: [opened, synchronize, reopened]
+      - 'main'
+  pull_request: {}
 
 jobs:
   build_test_release:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest]
-        node-version: [12, 14, 16]
+        node-version: ${{ fromJSON(github.ref == 'refs/heads/main' && '[16]' || '[12,14,16]') }}
+        os: ${{ fromJSON(github.ref == 'refs/heads/main' && '["ubuntu-latest"]' || '["ubuntu-latest", "windows-latest"]') }}
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v1
+      - uses: actions/checkout@v2
       - name: use Node.js ${{ matrix.node-version }} on ${{ matrix.os }}
-        uses: actions/setup-node@v1
+        uses: actions/setup-node@v2
         with:
           node-version: ${{ matrix.node-version }}
       - name: install
@@ -26,10 +25,10 @@ jobs:
       - name: build
         run: npm run build
       - name: test
-        run: npm run test
-      # - name: Release
-      #   if: github.repository == 'timdeschryver/ngrx-immer' && github.ref == 'refs/heads/main' && matrix.node-version == 16 && matrix.os == 'ubuntu-latest'
-      #   run: npx semantic-release
-      #   env:
-      #     GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-      #     NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
+        run: npm run test -- --ci --coverage
+      - name: Release
+        if: github.repository == 'timdeschryver/ngrx-immer' && github.ref == 'refs/heads/main'
+        run: npx semantic-release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          NPM_TOKEN: ${{ secrets.NPM_TOKEN }}
\ No newline at end of file