diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 913a575f3..6e5d22e0b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -9,6 +9,7 @@ jobs:
   build-php:
     name: Prepare PHP
     runs-on: ${{ matrix.image }}
+    concurrency: php-build-${{ matrix.php }}
 
     strategy:
       matrix: