diff --git a/ci/maipo b/ci/maipo
index 2fb890b..a96bc2e 100644
--- a/ci/maipo
+++ b/ci/maipo
@@ -1,38 +1,39 @@
 FROM centos:centos7
 MAINTAINER Kolab Systems <vanmeeuwen@kolabsys.com>
 ADD http://obs.kolabsys.com/repositories/Kolab:/Development/CentOS_7/Kolab:Development.repo \
     /etc/yum.repos.d/Kolab:Development.repo
 RUN rpm --import https://ssl.kolabsys.com/community.asc
 
 ADD http://download.opensuse.org/repositories/openSUSE:Tools/CentOS_7/openSUSE:Tools.repo \
     /etc/yum.repos.d/openSUSE:Tools.repo
 RUN rpm --import http://download.opensuse.org/repositories/openSUSE:/Tools/CentOS_7/repodata/repomd.xml.key
 
 ENV IMAGE maipo
 
 RUN yum clean metadata && \
     yum -y install \
+        ant \
         build \
         epel-release \
         git \
         osc \
         passwd \
         perl-Digest-MD5 \
         perl-TimeDate \
         rpmdevtools \
         sudo \
         yum-utils \
         @development \
         @fedora-packager && \
     yum-builddep -y \
         $(yum -d 0 -e 0 \
             --disablerepo=\* \
             --enablerepo=Kolab_Development \
             list available 2>&1 | \
             grep -vE "^(Available Packages|\s+)" | \
             awk '{print $1}' \
         )
 
 ADD https://cgit.kolab.org/docker/plain/ci/entrypoint.sh /
 RUN chmod 755 /entrypoint.sh
 ENTRYPOINT [ "/entrypoint.sh" ]