diff --git a/Dockerfile b/Dockerfile
index 0968bc4..81949e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,7 @@
 FROM ruby:2.4
 
 RUN apt-get -y update \
-	&& apt-get -y install --no-install-recommends nodejs mysql-client git-core python-minimal python-pip python-dev libcap2-bin \
+	&& apt-get -y install --no-install-recommends nodejs mysql-client git-core python-minimal python-pip python-dev libcap2-bin python-setuptools \
 	&& pip install j2cli \
         && git clone https://github.com/atech/postal.git /opt/postal \
 	&& rm -rf /var/lib/apt/lists/* \
@@ -10,7 +10,7 @@ RUN apt-get -y update \
 	&& useradd -r -d /opt/postal -s /bin/bash postal \
 	&& chown -R postal:postal /opt/postal/ \
 	&& /opt/postal/bin/postal bundle /opt/postal/vendor/bundle \
-	&& apt-get -y purge python-dev git-core \
+	&& apt-get -y purge python-dev git-core python-setuptools \
 	&& apt-get -y autoremove \
 	&& apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*