diff --git a/bucket/mdbook.json b/bucket/mdbook.json
index e4f265933a..aeed1f4210 100644
--- a/bucket/mdbook.json
+++ b/bucket/mdbook.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.4.32",
+    "version": "0.4.33",
     "description": "Create a book from markdown files.",
     "homepage": "https://github.com/rust-lang/mdBook",
     "license": "MPL-2.0",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/rust-lang/mdBook/releases/download/v0.4.32/mdbook-v0.4.32-x86_64-pc-windows-msvc.zip",
-            "hash": "c06f2eeb4cfa487931213b830701a3dfa1eab5fcd7ec3756f14ffc68171a4817"
+            "url": "https://github.com/rust-lang/mdBook/releases/download/v0.4.33/mdbook-v0.4.33-x86_64-pc-windows-msvc.zip",
+            "hash": "573acc650654cca12c77d73f0f7c8d22fdce92d7348c0bd4676579c60ee3c0b9"
         }
     },
     "bin": "mdbook.exe",