diff --git a/.github/actions/ci-setup.yml b/.github/actions/ci-setup.yml
new file mode 100644
index 00000000..077a55b2
--- /dev/null
+++ b/.github/actions/ci-setup.yml
@@ -0,0 +1,46 @@
+name: CI setup
+
+inputs:
+  install-deps:
+    type: boolean
+    required: true
+    default: true
+  php-version:
+    type: string
+    required: true
+  php-extensions:
+    type: string
+    required: true
+  extensions-cache-key:
+    type: string
+    required: true
+
+runs:
+  uses: composite
+  steps:
+    - name: Checkout code
+      uses: actions/checkout@v3
+    - name: Setup cache environment
+      id: extcache
+      uses: shivammathur/cache-extensions@v1
+      with:
+        php-version: ${{ inputs.php-version }}
+        extensions: ${{ inputs.extensions }}
+        key: ${{ inputs.extensions-cache-key }}
+    - name: Cache extensions
+      uses: actions/cache@v2
+      with:
+        path: ${{ steps.extcache.outputs.dir }}
+        key: ${{ steps.extcache.outputs.key }}
+        restore-keys: ${{ steps.extcache.outputs.key }}
+    - name: Use PHP
+      uses: shivammathur/setup-php@v2
+      with:
+        php-version: ${{ inputs.php-version }}
+        tools: composer
+        extensions: ${{ inputs.extensions }}
+        coverage: pcov
+        ini-values: pcov.directory=module
+    - name: Install dependencies
+      if: ${{ inputs.install-deps }}
+      run: composer install --no-interaction --prefer-dist
diff --git a/.github/workflows/ci-mutation-tests.yml b/.github/workflows/ci-mutation-tests.yml
index bc985f12..4f9acb2f 100644
--- a/.github/workflows/ci-mutation-tests.yml
+++ b/.github/workflows/ci-mutation-tests.yml
@@ -17,31 +17,12 @@ jobs:
     env:
       extensions: openswoole-4.11.1
     steps:
-      - name: Checkout code
-        uses: actions/checkout@v3
-      - name: Setup cache environment
-        id: extcache
-        uses: shivammathur/cache-extensions@v1
+      - name: Setup
+        uses: './.github/actions/ci-setup.yml'
         with:
           php-version: ${{ matrix.php-version }}
-          extensions: ${{ env.extensions }}
-          key: mutation-tests-extensions-${{ matrix.php-version }}-${{ inputs.test-group }}
-      - name: Cache extensions
-        uses: actions/cache@v2
-        with:
-          path: ${{ steps.extcache.outputs.dir }}
-          key: ${{ steps.extcache.outputs.key }}
-          restore-keys: ${{ steps.extcache.outputs.key }}
-      - name: Use PHP
-        uses: shivammathur/setup-php@v2
-        with:
-          php-version: ${{ matrix.php-version }}
-          tools: composer
-          extensions: ${{ env.extensions }}
-          coverage: pcov
-          ini-values: pcov.directory=module
-      - name: Install dependencies
-        run: composer install --no-interaction --prefer-dist
+          php-extensions: ${{ env.extensions }}
+          extensions-cache-key: mutation-tests-extensions-${{ matrix.php-version }}-${{ inputs.test-group }}
       - uses: actions/download-artifact@v3
         with:
           path: build