diff --git a/bucket/grails.json b/bucket/grails.json
index a5abfbf850..41cf507d30 100644
--- a/bucket/grails.json
+++ b/bucket/grails.json
@@ -1,10 +1,10 @@
 {
     "homepage": "https://grails.org/",
-    "version": "3.3.10",
+    "version": "4.0.0",
     "license": "Apache-2.0",
-    "url": "https://github.com/grails/grails-core/releases/download/v3.3.10/grails-3.3.10.zip",
-    "hash": "227b3f3c78e858d108565677aa35ae963df4297c366f82a999821d121d57d3d3",
-    "extract_dir": "grails-3.3.10",
+    "url": "https://github.com/grails/grails-core/releases/download/v4.0.0/grails-4.0.0.zip",
+    "hash": "5d17f4ebe6460186a6ddaf9327705e55930cb319f065a8c68adcddc6dec0c08f",
+    "extract_dir": "grails-4.0.0",
     "bin": "bin\\grails.bat",
     "env_set": {
         "GRAILS_HOME": "$dir"