diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 403cef9cc..d68da1a3a 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -10,11 +10,11 @@
       "rollForward": true
     },
     "docfx": {
-      "version": "2.78.3",
+      "version": "2.78.5",
       "commands": [
         "docfx"
       ],
       "rollForward": true
     }
   }
-}
+}
\ No newline at end of file