diff --git a/.gitmodules b/.gitmodules
index aa7d342c..1afe5510 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -9,7 +9,7 @@
 [submodule "trading-ui"]
 	path = app/trading-ui
 	url = https://github.com/rubykube/peatio-trading-ui.git
-	branch = "master"
+	branch = "1-9-stable"
 [submodule "integration"]
 	path = test/integration
 	url = https://github.com/rubykube/integration.git