diff --git a/composer.json b/composer.json
index c9501c3..2904e5d 100644
--- a/composer.json
+++ b/composer.json
@@ -12,7 +12,7 @@
         "colymba/gridfield-bulk-editing-tools": "5.x-dev"
     },
     "require-dev": {
-        "phpunit/phpunit": "^9.6",
+        "phpunit/phpunit": "^11.3",
         "silverstripe/gridfieldqueuedexport": "^4",
         "symbiote/silverstripe-queuedjobs": "^6"
     },