diff --git a/Dockerfile b/Dockerfile
index 42f188b9..9061df25 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -60,7 +60,7 @@ FROM debian:stable-slim
 RUN useradd wgui
 
 RUN apt-get update
-RUN apt-get install -y ca-certificates wireguard jq iproute2 inotify-tools
+RUN apt-get install -y ca-certificates wireguard jq iproute2 inotify-tools iptables
 
 WORKDIR /app