diff --git a/bucket/mercurial.json b/bucket/mercurial.json
index 6a98f480aa..df30948c1a 100644
--- a/bucket/mercurial.json
+++ b/bucket/mercurial.json
@@ -1,15 +1,15 @@
 {
     "homepage": "https://www.mercurial-scm.org/",
-    "version": "5.0.2",
+    "version": "5.1",
     "license": "GPL-2.0-only",
     "architecture": {
         "64bit": {
-            "url": "https://www.mercurial-scm.org/release/windows/Mercurial-5.0.2-x64.exe",
-            "hash": "bdeaa6a35bb975797b87722d01f186e8dca52c3cebcf37c96995af99cd0fcd04"
+            "url": "https://www.mercurial-scm.org/release/windows/Mercurial-5.1-x64.exe",
+            "hash": "93c9151b956b0759fbf0a3b4fc3ca5fc3a17c3c89a2d9aa7ad5ffdce9763eb38"
         },
         "32bit": {
-            "url": "https://www.mercurial-scm.org/release/windows/Mercurial-5.0.2.exe",
-            "hash": "ac58482188cb5351d4777e449d17f36b49099a44db6ce7b4109aa6cae00dbc3c"
+            "url": "https://www.mercurial-scm.org/release/windows/Mercurial-5.1.exe",
+            "hash": "ac167791764c8ad6eb9b1ce07134582440286ff7960fd2f2eb3103cefb6e4b03"
         }
     },
     "innosetup": true,