diff --git a/bucket/rust.json b/bucket/rust.json
index ff8ec948ff..1051029491 100644
--- a/bucket/rust.json
+++ b/bucket/rust.json
@@ -1,16 +1,16 @@
 {
     "homepage": "https://www.rust-lang.org",
     "description": "A language empowering everyone to build reliable and efficient software. (GNU toolchain)",
-    "version": "1.39.0",
+    "version": "1.40.0",
     "license": "MIT|Apache-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://static.rust-lang.org/dist/rust-1.39.0-x86_64-pc-windows-gnu.msi",
-            "hash": "4127f788a35d1f216898ac911f7bc40489969e48db8f354fa3a7636f90d10894"
+            "url": "https://static.rust-lang.org/dist/rust-1.40.0-x86_64-pc-windows-gnu.msi",
+            "hash": "d9e1d600a9e1c20c9d1c7cbb99d00a660d4b7100b8f0003e19fc4690da862e51"
         },
         "32bit": {
-            "url": "https://static.rust-lang.org/dist/rust-1.39.0-i686-pc-windows-gnu.msi",
-            "hash": "5caaa4715e239dab52ddd50bab474e55cc5ef169738ec4b83a65555749678b13"
+            "url": "https://static.rust-lang.org/dist/rust-1.40.0-i686-pc-windows-gnu.msi",
+            "hash": "344216a91e96924902a68f5d750ad19c66dc0f0d7b86e264d02713ce214bc238"
         }
     },
     "extract_dir": "Rust",