diff --git a/.github/workflows/php.yml b/.github/workflows/php.yml
index 0014ba8..2960a1a 100644
--- a/.github/workflows/php.yml
+++ b/.github/workflows/php.yml
@@ -84,7 +84,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        presta_version: ['9.1.x', 'develop']
+        presta_version: ['9.1.4', 'develop']
         php_version: ['8.1', '8.5']
       fail-fast: false
     env:
diff --git a/tests/phpstan/phpstan-9.1.x.neon b/tests/phpstan/phpstan-9.1.4.neon
similarity index 100%
rename from tests/phpstan/phpstan-9.1.x.neon
rename to tests/phpstan/phpstan-9.1.4.neon