diff --git a/Dockerfile b/Dockerfile
index 57af5c9..625eac5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -17,7 +17,7 @@ ARG RB_VERSION
 
 RUN \
   apt update && \
-  apt install -y python curl build-essential python-dev libffi-dev libssl-dev patch libmariadbclient-dev cvs git-core subversion apache2 libapache2-mod-wsgi liboauth0 liboauth-dev python-oauth python-ldap && \
+  apt install -y python curl build-essential python-dev libffi-dev libssl-dev patch libmariadbclient-dev cvs git-core subversion apache2 libapache2-mod-wsgi liboauth0 liboauth-dev python-oauth python-ldap python-subvertpy && \
   curl https://bootstrap.pypa.io/get-pip.py -o get-pip.py && \
   python get-pip.py && \
   pip install -U pip setuptools && \