diff --git a/bucket/rustup.json b/bucket/rustup.json
index 51254d1713..1880bde575 100644
--- a/bucket/rustup.json
+++ b/bucket/rustup.json
@@ -1,7 +1,7 @@
 {
-    "version": "1.18.0",
+    "version": "1.18.1",
     "license": "MIT",
-    "hash": "45f9adcf71cf40983afab6bcb79f6bbdcee02ade696af5574fbaf3aa55e2382e",
+    "hash": "70a904701e09e4ce9f39836b035035413cf263364643d5882188c656c4e906bc",
     "homepage": "https://github.com/rust-lang-nursery/rustup.rs",
     "checkver": {
         "url": "https://raw.githubusercontent.com/rust-lang-nursery/rustup.rs/master/Cargo.toml",