diff --git a/composer.json b/composer.json
index 4a32488..d02d764 100644
--- a/composer.json
+++ b/composer.json
@@ -15,7 +15,7 @@
     },
     "require-dev": {
         "interaction-design-foundation/coding-standard": "^0.3",
-        "orchestra/testbench-core": "^8.33 || ^9.10",
+        "orchestra/testbench-core": "^10.0.2",
         "phpunit/phpunit": "^10.5 || ^11.0 || ^12.0",
         "vimeo/psalm": "^6.0"
     },