diff --git a/.github/workflows/phpstan.yml b/.github/workflows/phpstan.yml
index 77560afd3..fd0765a49 100644
--- a/.github/workflows/phpstan.yml
+++ b/.github/workflows/phpstan.yml
@@ -9,6 +9,14 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+    - name: Change PHP version
+      run: |
+        sudo update-alternatives --set php /usr/bin/php8.0
+        sudo update-alternatives --set phar /usr/bin/phar8.0
+        sudo update-alternatives --set phpdbg /usr/bin/phpdbg8.0
+        sudo update-alternatives --set php-cgi /usr/bin/php-cgi8.0
+        sudo update-alternatives --set phar.phar /usr/bin/phar.phar8.0
+        php -version
     - name: Validate composer.json and composer.lock
       run: composer validate
     - name: Cache Composer packages