diff --git a/.gitignore b/.gitignore
index fbf9f5df16..3640cfb77a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -5,3 +5,4 @@ composer.phar
 .buildpath
 .project
 .settings
+.phpunit.result.cache
diff --git a/composer.json b/composer.json
index 46d7dda060..b6a43e86d2 100644
--- a/composer.json
+++ b/composer.json
@@ -27,7 +27,7 @@
         "mustangostang/spyc": "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.5.8",
+        "phpunit/phpunit": "^8.5.8 || ^9 || ^10 || ^11",
         "psr/cache": "^1.0.1",
         "psr/simple-cache": "^1.0.1",
         "matthiasmullie/scrapbook": "^1.4.7",