diff --git a/private_dot_config/jj/config.toml b/private_dot_config/jj/config.toml
index a12ab85..ba1dc0c 100644
--- a/private_dot_config/jj/config.toml
+++ b/private_dot_config/jj/config.toml
@@ -5,3 +5,12 @@ email = "jack@platten.me"
 [ui]
 default-command = "log"
 diff-formatter = ["difft", "--color=always", "$left", "$right"]
+show-cryptographic-signatures=true
+
+[signing]
+behavior = "drop"
+backend = "ssh"
+key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHGminsJAXUJkc7TH7qHU6RNdZuMcWIwdx+zZCDpDiUG Personal"
+
+[git]
+sign-on-push = true