diff --git a/bucket/docfx.json b/bucket/docfx.json
index 0891ed1db3..c73eb2fee2 100644
--- a/bucket/docfx.json
+++ b/bucket/docfx.json
@@ -1,10 +1,10 @@
 {
-    "version": "2.78.4",
+    "version": "2.78.5",
     "description": "A documentation generation tool for API reference and Markdown files",
     "homepage": "https://dotnet.github.io/docfx/",
     "license": "MIT",
-    "url": "https://github.com/dotnet/docfx/releases/download/v2.78.4/docfx-win-x64-v2.78.4.zip",
-    "hash": "b5f1f122f6bac56715b50e15b880d271661a5e1a8175db470f7cff841eef8651",
+    "url": "https://github.com/dotnet/docfx/releases/download/v2.78.5/docfx-win-x64-v2.78.5.zip",
+    "hash": "64acd0d0ee66a795b701b9fa117392233db8de9f70a331702e904d90826a6aec",
     "bin": "docfx.exe",
     "checkver": {
         "github": "https://github.com/dotnet/docfx"