diff --git a/deno.json b/deno.json
index e9737f3..3093f19 100644
--- a/deno.json
+++ b/deno.json
@@ -1,7 +1,7 @@
 {
   "lock": false,
   "tasks": {
-    "dev": "deno run --allow-read --allow-env --allow-net --watch src/server.ts",
+    "dev": "deno run --allow-read --allow-env --allow-net --allow-ffi --watch src/server.ts",
     "test": "deno test"
   },
   "imports": {