diff --git a/deno.json b/deno.json
index f0c10e6..8d94b58 100644
--- a/deno.json
+++ b/deno.json
@@ -2,7 +2,7 @@
   "$schema": "https://deno.land/x/deno@v1.32.3/cli/schemas/config-file.v1.json",
   "lock": false,
   "tasks": {
-    "dev": "deno run --allow-read --allow-write --allow-env --allow-net --allow-ffi --unstable --watch src/server.ts",
+    "dev": "deno run --allow-read --allow-write=data --allow-env --allow-net --unstable --watch src/server.ts",
     "test": "deno test -A --unstable src"
   },
   "imports": {