diff --git a/composer.json b/composer.json
index bf292212..90cd0e20 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": "^6.5.4",
 		"xwp/wait-for": "^0.0.2",
 		"yoast/phpunit-polyfills": "^2.0"
 	},
diff --git a/composer.lock b/composer.lock
index 07ebbcae..3584128c 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": "c843e11403b062b67626a06853e0e743",
     "packages": [
         {
             "name": "composer/installers",
@@ -6929,16 +6929,16 @@
         },
         {
             "name": "wp-phpunit/wp-phpunit",
-            "version": "6.4.2",
+            "version": "6.5.4",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-phpunit/wp-phpunit.git",
-                "reference": "aa3c8f5d1b7efc295fd2b37c7264d2356a8c1099"
+                "reference": "ef2cb44c0d991ac0c3a7a3ed0d2d1cf3fe8d8f2f"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/wp-phpunit/wp-phpunit/zipball/aa3c8f5d1b7efc295fd2b37c7264d2356a8c1099",
-                "reference": "aa3c8f5d1b7efc295fd2b37c7264d2356a8c1099",
+                "url": "https://api.github.com/repos/wp-phpunit/wp-phpunit/zipball/ef2cb44c0d991ac0c3a7a3ed0d2d1cf3fe8d8f2f",
+                "reference": "ef2cb44c0d991ac0c3a7a3ed0d2d1cf3fe8d8f2f",
                 "shasum": ""
             },
             "type": "library",
@@ -6973,7 +6973,7 @@
                 "issues": "https://github.com/wp-phpunit/issues",
                 "source": "https://github.com/wp-phpunit/wp-phpunit"
             },
-            "time": "2023-12-07T00:50:08+00:00"
+            "time": "2024-05-07T16:46:52+00:00"
         },
         {
             "name": "xwp/wait-for",