diff --git a/.gitmodules b/.gitmodules
index 0c778636dfe18dbd374c8091dc4a1b4b157428fe..a6a50a86e7bcf6d298acdac56ef4e22c4852f4e5 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,4 @@
 [submodule "app"]
 	path = app
 	url = https://gitlab.eclipse.org/eclipse/xfsc/tsa/infohub.git
+	branch = main