diff --git a/.gitmodules b/.gitmodules
index a7f8809ca..785e03a3b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -42,4 +42,4 @@
 [submodule "src/orbbec/OrbbecSDK"]
 	path = src/orbbec/OrbbecSDK
 	url = https://github.com/orbbec/OrbbecSDK.git
-	branch = 1.9.x
+	branch = main