diff --git a/.gitmodules b/.gitmodules
index 2c4a18c..20509fa 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "buildroot"]
 	path = buildroot
+	branch = 2015.11.1-op-build
 	url = https://github.com/open-power/buildroot