diff --git a/bucket/mdbook.json b/bucket/mdbook.json
index 7cdf528cb3..8f04963f75 100644
--- a/bucket/mdbook.json
+++ b/bucket/mdbook.json
@@ -1,12 +1,12 @@
 {
-    "version": "0.3.6",
+    "version": "0.3.7",
     "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/v0.3.6/mdbook-v0.3.6-x86_64-pc-windows-msvc.zip",
-            "hash": "caea9739ff15173ef218a63f10803715d755f077d0a4bf9d11f7497d49f29d35"
+            "url": "https://github.com/rust-lang/mdBook/releases/download/v0.3.7/mdbook-v0.3.7-x86_64-pc-windows-msvc.zip",
+            "hash": "f260ef843690498cb093e9e03cef9aa9c1af353b665d80ebd169c45366dac653"
         }
     },
     "bin": "mdbook.exe",