diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 560a23d..c06c7d9 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -48,10 +48,6 @@ jobs:
   phpcs:
     name: PHP Lint
     runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        php: ['7.4', '8.0', '8.1', '8.2', '8.3']
 
     steps:
       - name: Checkout
@@ -68,4 +64,4 @@ jobs:
         run: composer install
 
       - name: PHPCS check
-        run: "./vendor/bin/phpcs . -q --report=checkstyle --warning-severity=6 --runtime-set testVersion ${{ matrix.php }}- | cs2pr"
+        run: './vendor/bin/phpcs . -q --report=checkstyle --warning-severity=6 --runtime-set testVersion 5.6- | cs2pr'