diff --git a/Dockerfile b/Dockerfile
index a77f277..5388df6 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -42,6 +42,7 @@ RUN set -eux ; \
       jq \
       krb5-workstation \
       lsof \
+      ncurses \
       net-tools \
       nmap-ncat \
       openssl \