diff --git a/.gitmodules b/.gitmodules
index 15f707d..a56b36f 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -16,6 +16,7 @@
 [submodule "_ThirdParty/imgui"]
 	path = _ThirdParty/imgui
 	url = https://github.com/ocornut/imgui.git
+	branch = docking
 [submodule "_ThirdParty/fmt"]
 	path = _ThirdParty/fmt
 	url = https://github.com/fmtlib/fmt.git