diff --git a/composer.json b/composer.json
index 2f7be11..263cc22 100644
--- a/composer.json
+++ b/composer.json
@@ -28,7 +28,7 @@
 		"phpunit/phpunit": "^9.6.16",
 		"psalm/plugin-phpunit": "^0.18.4",
 		"vimeo/psalm": "^5.21.1",
-		"wp-phpunit/wp-phpunit": "^6.4",
+		"wp-phpunit/wp-phpunit": "^6.4.2",
 		"yoast/phpunit-polyfills": "^2.0"
 	},
 	"config": {
diff --git a/composer.lock b/composer.lock
index 7b14b8a..f573908 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "eadc077d2bacd150cead146c5a80585e",
+    "content-hash": "eba2365a19701c84c4fe30d807a07c92",
     "packages": [
         {
             "name": "composer/installers",