diff --git a/Dockerfile b/Dockerfile
index 22f77314..0c80bacc 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,7 +1,13 @@
 FROM python:2.7
 
+RUN echo 'deb http://archive.debian.org/debian/ stretch contrib main non-free' > /etc/apt/sources.list
+
 RUN apt-get update \
-  && apt-get install man-db -y \
+  && apt-get install -y --allow-remove-essential \
+    man-db \
+    bsdmainutils \
+    libncurses5 \
+    libtinfo5 \
   && apt-get clean
 
 ADD ./requirements.txt /tmp/requirements.txt