diff --git a/contrib/Vagrantfile b/contrib/Vagrantfile
index 9bc50fe..d9a908d 100644
--- a/contrib/Vagrantfile
+++ b/contrib/Vagrantfile
@@ -79,7 +79,7 @@
 sudo apt-get install -qq nodejs nodejs-dev nodejs-legacy npm
 
 # CSharp
-sudo apt-get install -qq mono-gmcs mono-devel libmono-system-web2.0-cil
+sudo apt-get install -qq mono-gmcs mono-devel mono-xbuild mono-complete libmono-system-web2.0-cil
 sudo apt-get install -qq mingw32 mingw32-binutils mingw32-runtime nsis
 
 # D dependencies