diff --git a/composer.json b/composer.json
index d44c610..c45adaf 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,7 @@
     "php": ">=5.6|>=7.0"
   },
   "require-dev": {
-    "phpunit/phpunit": "8.3.5",
+    "phpunit/phpunit": "11.0.7",
     "woocommerce/woocommerce-sniffs": "0.0.9"
   },
   "scripts": {