diff --git a/classes/class06/ssh/Dockerfile b/classes/class06/ssh/Dockerfile
index 7e4890c..5bb9121 100644
--- a/classes/class06/ssh/Dockerfile
+++ b/classes/class06/ssh/Dockerfile
@@ -1,7 +1,6 @@
 FROM debian:bookworm
 
-RUN apt update && \
-    apt install -y openssh-server
+RUN apt update && apt install -y openssh-server ncat
 
 RUN mkdir -p /var/run/sshd
 RUN mkdir -p /root/.ssh