diff --git a/Dockerfile b/Dockerfile
index 5acf3bc..ff467e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,10 @@ WORKDIR /usr/src/app
 COPY package*.json ./
 RUN npm install
 
+RUN apt-get update
+RUN apt-get -y install \
+    tcpdump
+
 # Bundle app source
 COPY ./src/ .