diff --git a/.gitmodules b/.gitmodules
index 6ae089a..148b216 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "pEpDBusAdapter"]
 	path = pEpDBusAdapter
 	url = https://gitea.pep.foundation/leviathan/pEpDBusAdapter.git
+[submodule "pepcomposer/kmail"]
+	path = pepcomposer/kmail
+	url = https://github.com/KDE/kmail.git