diff --git a/Dockerfile b/Dockerfile
index 9d62d24..3efaa65 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -44,7 +44,9 @@ RUN apt-get update --yes && \
     libprotobuf-dev \
     protobuf-compiler \
     libproj-dev \
-    libcurl4-gnutls-dev
+    libcurl4-gnutls-dev \
+    libsodium-dev \
+    libudunits2-dev
 
 COPY install2r-packages.txt /rocker_scripts
 RUN for f in `cat //rocker_scripts/install2r-packages.txt` ; do install2.r --error --skipinstalled --ncpus -1 $f || exit 1 ; done