diff --git a/DEBIAN/control b/DEBIAN/control
index 425041c..d16c21b 100644
--- a/DEBIAN/control
+++ b/DEBIAN/control
@@ -1,8 +1,9 @@
 Package: wcbing-keyring
-Version: 3.0.0
+Version: 3.1.0
 Section: utils
 Priority: optional
 Architecture: all
+Installed-Size: 721 B
 Maintainer: wcbing <i@wcbing.top>
 Homepage: https://packages.wcbing.top/deb/
 Description: the keyring of wcbing APT Repo.