diff --git a/ubuntu/.gitconfig b/ubuntu/.gitconfig
index 553a33e..fb01d30 100644
--- a/ubuntu/.gitconfig
+++ b/ubuntu/.gitconfig
@@ -1,6 +1,7 @@
 [user]
 	name = "Alexander Harchenko"
 	email = morontt@gmail.com
+	signingkey = BCE79440
 [core]
 	excludesfile = ~/.gitignore_global
 	autocrlf = input