diff --git a/stmux/stmux.spec b/stmux/stmux.spec
index 45d7fa7f75..bb37be6cde 100644
--- a/stmux/stmux.spec
+++ b/stmux/stmux.spec
@@ -22,8 +22,8 @@
 ##
 
 #   package version
-%define       V_stmux      1.5.3
-%define       V_stmux_snap 20180511
+%define       V_stmux      1.5.4
+%define       V_stmux_snap 20180512
 
 #   package information
 Name:         stmux
@@ -36,7 +36,7 @@ Class:        EVAL
 Group:        Terminal
 License:      MIT
 Version:      %{V_stmux}
-Release:      20180511
+Release:      20180512
 
 #   list of sources
 Source0:      http://download.openpkg.org/components/versioned/stmux/stmux-%{V_stmux}-%{V_stmux_snap}.tar.gz