diff --git a/tests/Traits/InvalidCodeAnalysisWithIssuesTestTrait.php b/tests/Traits/InvalidCodeAnalysisWithIssuesTestTrait.php
index 5249c425879..65ba6c847d0 100644
--- a/tests/Traits/InvalidCodeAnalysisWithIssuesTestTrait.php
+++ b/tests/Traits/InvalidCodeAnalysisWithIssuesTestTrait.php
@@ -44,14 +44,14 @@
  *     code: string,
  *     error_message: string,
  *     ignored_issues?: list<string>,
- *     php_version?: string,
+ *     php_version?: string|null,
  *     config_options?: psalmConfigOptions,
  * }
  * @psalm-type NamedArgumentsDataProviderArrayNotation = array{
  *     code: string,
  *     error_message: string,
  *     error_levels?: list<string>,
- *     php_version?: string,
+ *     php_version?: string|null,
  *     config_options?: psalmConfigOptions,
  * }
  */