diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index f481e7452..8e00f58fe 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -3,7 +3,7 @@
   "isRoot": true,
   "tools": {
     "diffenginetray": {
-      "version": "15.8.0",
+      "version": "15.9.0",
       "commands": [
         "DiffEngineTray"
       ]