From 7ae77afce2684453c7b4b3c9219907cb0c081148 Mon Sep 17 00:00:00 2001
From: Mark Robinson <mark.robinson@imls.uzh.ch>
Date: Fri, 1 May 2020 17:56:05 +0000
Subject: [PATCH] Update Dockerfile

---
 Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Dockerfile b/Dockerfile
index 261a2c9..2b2ac03 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -33,6 +33,7 @@ RUN apt-get update && \
       manpages \
       man-db \
       python3.6 \
+      libpng-dev \
       less
 
 USER ${NB_USER}
-- 
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