diff --git a/composer.json b/composer.json
index bf292212..cad9c4d5 100644
--- a/composer.json
+++ b/composer.json
@@ -37,7 +37,7 @@
 		"johnpbloch/wordpress": "dev-master",
 		"phpunit/phpunit": "^9.6.13",
 		"wp-cli/wp-cli-bundle": "^2.8",
-		"wp-phpunit/wp-phpunit": "^6.4.2",
+		"wp-phpunit/wp-phpunit": "^6.4.3",
 		"xwp/wait-for": "^0.0.2",
 		"yoast/phpunit-polyfills": "^2.0"
 	},
diff --git a/composer.lock b/composer.lock
index 07ebbcae..7daa797a 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": "765b930c1c9ac3f70f84603606c0b5a4",
+    "content-hash": "44869687d0dc1e903c90f1643addc5ba",
     "packages": [
         {
             "name": "composer/installers",
@@ -6929,7 +6929,7 @@
         },
         {
             "name": "wp-phpunit/wp-phpunit",
-            "version": "6.4.2",
+            "version": "6.4.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-phpunit/wp-phpunit.git",