diff --git a/.github/workflows/php-changes-detection.yml b/.github/workflows/php-changes-detection.yml
index 3b813c8f8d48fb..5a7749ee213817 100644
--- a/.github/workflows/php-changes-detection.yml
+++ b/.github/workflows/php-changes-detection.yml
@@ -20,7 +20,9 @@ jobs:
               uses: tj-actions/changed-files@0874344d6ebbaa00a27da73276ae7162fadcaf69 # v44.3.0
               with:
                   files: |
-                      **.{php}
+                      lib/**
+                      packages/**/*.php
+                      phpunit/**
 
             - name: List all changed files
               if: steps.changed-files-php.outputs.any_changed == 'true'