diff --git a/basis/Dockerfile b/basis/Dockerfile
index 430bc8f082e085b9a0721f2ec7f9f70aace1eff0..bf5e1324f737238218cf3ffa91e7b52535869169 100755
--- a/basis/Dockerfile
+++ b/basis/Dockerfile
@@ -5,7 +5,7 @@ LABEL maintainer "Eppelt, Jonas jonas.eppelt@kit.edu"
 USER root
 
 ### fixing timezone issues and make sure certificate lists are up to date
-RUN apt-get update && apt-get install -y tzdata curl nslookiup
+RUN apt-get update && apt-get install -y tzdata curl dnsutils
 ENV TZ=Europe/Berlin
 RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone