diff --git a/tests/docker/Dockerfile.debian10_20181226 b/tests/docker/Dockerfile.debian10_20181226
index 657417c..c707c61 100644
--- a/tests/docker/Dockerfile.debian10_20181226
+++ b/tests/docker/Dockerfile.debian10_20181226
@@ -2,7 +2,7 @@ FROM debian:buster-20181226
 
 RUN groupadd -g 500 secaudit && useradd  -u 500 -g 500 -s /bin/bash secaudit && mkdir -m 700 /home/secaudit && chown secaudit:secaudit /home/secaudit
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools
 
 COPY --chown=500:500 . /opt/debian-cis/
 
diff --git a/tests/docker/Dockerfile.debian8 b/tests/docker/Dockerfile.debian8
index ee66040..5361d8f 100644
--- a/tests/docker/Dockerfile.debian8
+++ b/tests/docker/Dockerfile.debian8
@@ -2,7 +2,7 @@ FROM debian:jessie
 
 RUN groupadd -g 500 secaudit && useradd  -u 500 -g 500 -s /bin/bash secaudit && mkdir -m 700 /home/secaudit && chown secaudit:secaudit /home/secaudit
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools
 
 COPY --chown=500:500 . /opt/debian-cis/
 
diff --git a/tests/docker/Dockerfile.debian9 b/tests/docker/Dockerfile.debian9
index 7badd43..70a7fed 100644
--- a/tests/docker/Dockerfile.debian9
+++ b/tests/docker/Dockerfile.debian9
@@ -2,7 +2,7 @@ FROM debian:stretch
 
 RUN groupadd -g 500 secaudit && useradd  -u 500 -g 500 -s /bin/bash secaudit && mkdir -m 700 /home/secaudit && chown secaudit:secaudit /home/secaudit
 
-RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng
+RUN apt-get update && DEBIAN_FRONTEND=noninteractive apt-get install -y bc openssh-server sudo syslog-ng net-tools
 
 COPY --chown=500:500 . /opt/debian-cis/