diff --git a/.gitmodules b/.gitmodules
index ae3c547..26eafd9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,9 @@
 [submodule "modules/vcsrepo"]
 	path = modules/vcsrepo
 	url = https://github.com/puppetlabs/puppetlabs-vcsrepo
+[submodule "modules/concat"]
+	path = modules/concat
+	url = https://github.com/puppetlabs/puppetlabs-concat
+[submodule "modules/stdlib"]
+	path = modules/stdlib
+	url = https://github.com/puppetlabs/puppetlabs-stdlib
diff --git a/manifests/main.pp b/manifests/main.pp
index cba8a25..6e0e1c6 100644
--- a/manifests/main.pp
+++ b/manifests/main.pp
@@ -3,6 +3,8 @@ node default {
     path => ['/usr/bin', '/usr/sbin', '/usr/local/bin', '/usr/local/sbin']
   }
 
+  include stdlib
+
   include yaourt
   include gnome
   include config
diff --git a/modules/concat b/modules/concat
new file mode 160000
index 0000000..b783e1e
--- /dev/null
+++ b/modules/concat
@@ -0,0 +1 @@
+Subproject commit b783e1e99def0bf45a391a2ebce5a39bd4174e11
diff --git a/modules/stdlib b/modules/stdlib
new file mode 160000
index 0000000..0bb25fb
--- /dev/null
+++ b/modules/stdlib
@@ -0,0 +1 @@
+Subproject commit 0bb25fb19904e8b346a25204f787b8bdc5140bae