diff --git a/Dockerfile b/Dockerfile
index d753e6a..c678dd8 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,6 +6,6 @@ LABEL Maintainer="Wolfgang Hottgenroth <woho@hottis.de>"
 RUN \
   apt update && \
   apt upgrade -y --autoremove && \
-  apt install -y ca-certificates make openssh-client git python3 python3-requests gpg apt-transport-https wget curl nmap snmp netcat-openbsd tcpdump dnsutils net-tools
+  apt install -y ca-certificates make openssh-client git python3 python3-requests gpg apt-transport-https wget curl nmap snmp netcat-openbsd tcpdump dnsutils net-tools ldap-utils