diff --git a/Dockerfile b/Dockerfile
index 153a6d2..9392d74 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -25,5 +25,5 @@
 FROM ubuntu:16.04
 RUN  apt-get update && \
   DEBIAN_FRONTEND=noninteractive apt-get --yes install git tox make python-all python3 python3-pip debhelper wget && \
-  DEBIAN_FRONTEND=noninteractive apt-get --yes install libmysqlclient-dev libxml2 python3-all && \
+  DEBIAN_FRONTEND=noninteractive apt-get --yes install libmysqlclient-dev libxml2 python3-all libssl-dev && \
   DEBIAN_FRONTEND=noninteractive pip3 install -U setuptools setuptools-version-command stdeb