diff --git a/.github/workflows/php-test.yml b/.github/workflows/php-test.yml
index 0e9f22c..d34a0d7 100644
--- a/.github/workflows/php-test.yml
+++ b/.github/workflows/php-test.yml
@@ -7,6 +7,7 @@ on:
     # Only run if PHP-related files changed.
     paths:
       - '.github/workflows/php-test.yml'
+      - 'data/*.json'
       - '**.php'
       - 'phpunit.xml.dist'
       - 'composer.json'
@@ -17,6 +18,7 @@ on:
     # Only run if PHP-related files changed.
     paths:
       - '.github/workflows/php-test.yml'
+      - 'data/*.json'
       - '**.php'
       - 'phpunit.xml.dist'
       - 'composer.json'