diff --git a/project.config b/project.config
index 7f1d21d..fda5f5e 100644
--- a/project.config
+++ b/project.config
@@ -8,6 +8,7 @@
 [submit]
 	mergeContent = true
 	matchAuthorToCommitterDate = true
+	action = rebase if necessary
 [access "refs/*"]
 	read = group Administrators
 	read = group Anonymous Users