diff --git a/bucket/mill.json b/bucket/mill.json
index d5db17b5e5..0e14e9a845 100644
--- a/bucket/mill.json
+++ b/bucket/mill.json
@@ -1,11 +1,11 @@
 {
     "homepage": "http://www.lihaoyi.com/mill/",
     "description": "Build tool aiming for Java and Scala.",
-    "version": "0.5.0",
+    "version": "0.5.1",
     "license": "MIT",
-    "url": "https://github.com/lihaoyi/mill/releases/download/0.5.0/0.5.0-assembly#/mill.bat",
+    "url": "https://github.com/lihaoyi/mill/releases/download/0.5.1/0.5.1-assembly#/mill.bat",
     "bin": "mill.bat",
-    "hash": "6f10e4f74bedf2dc2a181ee039b0a324929a89f5b0702238f9d89539d5958660",
+    "hash": "e04a6f0cf5175a999ad5c6c641d20e470d2db51064e574447249703d5f45d536",
     "checkver": {
         "github": "https://github.com/lihaoyi/mill"
     },