diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 9014d5b033..3606423a5b 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -24,7 +24,7 @@
       "rollForward": false
     },
     "docfx": {
-      "version": "2.77.0",
+      "version": "2.78.1",
       "commands": [
         "docfx"
       ],