diff --git a/.github/workflows/phar.yml b/.github/workflows/phar.yml
index 9ee1998..93cbebe 100644
--- a/.github/workflows/phar.yml
+++ b/.github/workflows/phar.yml
@@ -13,6 +13,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v2
+    
+    - uses: shivammathur/setup-php@v2
+      with:
+        php-version: '8.0'
 
     - name: Validate composer.json and composer.lock
       run: composer validate