diff --git a/contrib/Vagrantfile b/contrib/Vagrantfile
index 5eec59f..c99719c 100644
--- a/contrib/Vagrantfile
+++ b/contrib/Vagrantfile
@@ -78,7 +78,7 @@
 
 # CSharp
 sudo apt-get install -qq mono-gmcs mono-devel libmono-system-web2.0-cil
-sudo apt-get install -qq mingw32 mingw32-binutils mingw32-runtime
+sudo apt-get install -qq mingw32 mingw32-binutils mingw32-runtime nsis
 
 # Customize the system
 # ---
diff --git a/contrib/installDependencies.sh b/contrib/installDependencies.sh
index 343ea7e..d52c0fa 100755
--- a/contrib/installDependencies.sh
+++ b/contrib/installDependencies.sh
@@ -66,4 +66,4 @@
 
 # CSharp
 sudo apt-get install -qq mono-gmcs mono-devel libmono-system-web2.0-cil
-sudo apt-get install -qq mingw32 mingw32-binutils mingw32-runtime
+sudo apt-get install -qq mingw32 mingw32-binutils mingw32-runtime nsis