diff --git a/phpstan/config.neon b/phpstan/config.neon
index f37049ab4..6ffdbe68e 100644
--- a/phpstan/config.neon
+++ b/phpstan/config.neon
@@ -15,6 +15,7 @@ parameters:
     excludePaths:
        - '../tests/Composer/Test/Fixtures/*'
        - '../tests/Composer/Test/Autoload/Fixtures/*'
+       - '../tests/Composer/Test/Autoload/MinimumVersionSupport/vendor/'
        - '../tests/Composer/Test/Plugin/Fixtures/*'
        - '../tests/Composer/Test/PolyfillTestCase.php'
 
diff --git a/tests/Composer/Test/Autoload/MinimumVersionSupport/.gitignore b/tests/Composer/Test/Autoload/MinimumVersionSupport/.gitignore
new file mode 100644
index 000000000..c8153b578
--- /dev/null
+++ b/tests/Composer/Test/Autoload/MinimumVersionSupport/.gitignore
@@ -0,0 +1,2 @@
+/composer.lock
+/vendor/