diff --git a/eric-figs/Dockerfile b/eric-figs/Dockerfile
index faa6c67..901bbfa 100644
--- a/eric-figs/Dockerfile
+++ b/eric-figs/Dockerfile
@@ -1,9 +1,10 @@
-FROM r-base
+FROM r-base:3.4.3
 MAINTAINER Eamon O'Dea <[last name without apostrophe]35@gmail.com>
 
 RUN apt-get update && apt-get install -y -q --no-install-recommends \
 libcurl4-openssl-dev \
 libgdal-dev \
+libnlopt-dev \
 libproj-dev \
 libpng-dev \
 libpoppler-cpp-dev \