diff --git a/.config/dotnet-tools.json b/.config/dotnet-tools.json
index 6beab0b..0f7926b 100644
--- a/.config/dotnet-tools.json
+++ b/.config/dotnet-tools.json
@@ -3,8 +3,10 @@
   "isRoot": true,
   "tools": {
     "fantomas-tool": {
-      "version": "3.3.0",
-      "commands": ["fantomas"]
+      "version": "4.7.9",
+      "commands": [
+        "fantomas"
+      ]
     }
   }
-}
+}
\ No newline at end of file