diff --git a/Dockerfile b/Dockerfile
index bbd7bf8..3e5a75b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -4,4 +4,4 @@ WORKDIR /app
 COPY . .
 
 USER deno
-CMD  deno run --allow-net --allow-read --allow-env https://deno.land/std/http/file_server.ts -p5000 --no-dotfiles
+CMD  deno run --allow-net --allow-sys --allow-read --allow-env https://deno.land/std/http/file_server.ts -p5000 --no-dotfiles