diff --git a/config/prepare.sh b/config/prepare.sh
index d3f4506..bf650d1 100644
--- a/config/prepare.sh
+++ b/config/prepare.sh
@@ -1,7 +1,7 @@
 rm -rf .git
 git init
 rm -rf wordpress
-git submodule add -b 4.0-branch https://github.com/WordPress/WordPress.git wordpress
+git submodule add -b 4.2-branch https://github.com/WordPress/WordPress.git wordpress
 git remote rm origin
 git add -A
 git commit -m "Inital commit"