diff --git a/jjconfig.toml b/jjconfig.toml
index f49a390..eee4ccc 100644
--- a/jjconfig.toml
+++ b/jjconfig.toml
@@ -14,3 +14,8 @@ push-new-bookmarks = true
 
 [revsets]
 immutable = "main@origin | master@origin"
+
+[signing]
+backend = "gpg"
+behavior = "own"
+key = "7A7253E8!"