diff --git a/Dockerfile b/Dockerfile
index 2123935..b3c0569 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,6 +11,7 @@ RUN apt-get update && apt-get install -y -t unstable \
     libcurl4-gnutls-dev \
     libcairo2-dev/unstable \
     libssl-dev \
+    libxml2-dev \
     libxt-dev && \
     wget --no-verbose https://s3.amazonaws.com/rstudio-shiny-server-os-build/ubuntu-12.04/x86_64/VERSION -O "version.txt" && \
     VERSION=$(cat version.txt)  && \