diff --git a/bucket/rustup.json b/bucket/rustup.json
index c7728a59be..95d35a6859 100644
--- a/bucket/rustup.json
+++ b/bucket/rustup.json
@@ -1,16 +1,16 @@
 {
     "homepage": "https://rustup.rs",
-    "version": "1.21.0",
+    "version": "1.21.1",
     "license": "MIT|Apache-2.0",
     "description": "Manage multiple rust installations with ease",
     "architecture": {
         "64bit": {
-            "url": "https://static.rust-lang.org/rustup/archive/1.21.0/x86_64-pc-windows-gnu/rustup-init.exe",
-            "hash": "85beabd0694999b36c7c6da527a5a3d92ab50b5834b1b9a3993a8243ebb71de3"
+            "url": "https://static.rust-lang.org/rustup/archive/1.21.1/x86_64-pc-windows-gnu/rustup-init.exe",
+            "hash": "d17df34ba974b9b19cf5c75883a95475aa22ddc364591d75d174090d55711c72"
         },
         "32bit": {
-            "url": "https://static.rust-lang.org/rustup/archive/1.21.0/i686-pc-windows-gnu/rustup-init.exe",
-            "hash": "2632c2bc4a43f788eead0515024b8ce9b957e1816196511ef18e2dfa41db20fe"
+            "url": "https://static.rust-lang.org/rustup/archive/1.21.1/i686-pc-windows-gnu/rustup-init.exe",
+            "hash": "eb4fef7ba86a5e39f4a9837102ad34f077be864b80c0b8963cf19ff8897cc66a"
         }
     },
     "persist": [