diff --git a/deno.json b/deno.json
index 8d9ac33..55de51a 100644
--- a/deno.json
+++ b/deno.json
@@ -6,5 +6,14 @@
   "compilerOptions": {
     "jsx": "react-jsx",
     "jsxImportSource": "preact"
+  },
+  "fmt": {
+    "exclude": [
+      "output"
+    ],
+    "useTabs": false,
+    "lineWidth": 80,
+    "indentWidth": 4,
+    "proseWrap": "preserve"
   }
-}
+}
\ No newline at end of file