diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 4faeb59e1c..6eaf64a2a8 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "docfx": {
-      "version": "2.74.1",
+      "version": "2.64.0",
       "commands": [
         "docfx"
       ]