diff --git a/mkosi.conf b/mkosi.conf
index 3ec83a2..c680b17 100644
--- a/mkosi.conf
+++ b/mkosi.conf
@@ -15,3 +15,5 @@ WithNetwork=yes
 
 [Validation]
 Checksum=yes
+Sign=yes
+Key=tbalsys@gmail.com
\ No newline at end of file