diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 97c4d9981..5278631ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,6 +84,7 @@ jobs:
       - uses: shivammathur/setup-php@v2
         with:
           coverage: none
+          php-version: '8.1'
       - name: 'Get ACLI version'
         id: acli-version
         run: |