diff --git a/composer.json b/composer.json
index 09d2d3861..6ce2a3556 100644
--- a/composer.json
+++ b/composer.json
@@ -58,7 +58,7 @@
 	},
 	"require-dev": {
 		"php": ">=7.3",
-		"wp-phpunit/wp-phpunit": "^6.8.2",
+		"wp-phpunit/wp-phpunit": "^6.8.3",
 		"yoast/phpunit-polyfills": "^4.0.0",
 		"newfold-labs/wp-php-standards": "^1.2.5",
 		"wp-cli/i18n-command": "^2.6.5",
diff --git a/composer.lock b/composer.lock
index 4b128c493..855e729ac 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": "25ddd810f7fb2e49136d3a0a1022eb0a",
+    "content-hash": "fa6d0fa514e74e589fdfaee99ced075f",
     "packages": [
         {
             "name": "doctrine/inflector",
@@ -8027,7 +8027,7 @@
         },
         {
             "name": "wp-phpunit/wp-phpunit",
-            "version": "6.8.2",
+            "version": "6.8.3",
             "source": {
                 "type": "git",
                 "url": "https://github.com/wp-phpunit/wp-phpunit.git",