--- a/tool_dependencies.xml	Mon May 08 19:33:49 2017 -0400
+++ b/tool_dependencies.xml	Mon May 08 20:17:36 2017 -0400
@@ -16,6 +16,10 @@
                   <repository changeset_revision="d0bf97420fb5" name="package_r_3_2_1" owner="iuc" toolshed="https://toolshed.g2.bx.psu.edu">
                       <package name="R" version="3.2.1" />
                     </repository>
+                    <action type="shell_command">
+                      sudo apt-get install xorg </action>
+                    <action type="shell_command">
+                      sudo apt-get install libx11-dev </action>
                     <package>http://bioconductor.org/packages/3.2/bioc/src/contrib/BiocGenerics_0.16.1.tar.gz</package>
                     <package>http://www.bioconductor.org/packages/release/bioc/src/contrib/Biobase_2.36.1.tar.gz</package>
                     <package>https://cran.r-project.org/src/contrib/iterators_1.0.8.tar.gz</package>