diff --git a/configure.ac b/configure.ac
index 9488359..cb29e0e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,5 +1,5 @@
 AC_PREREQ(2.63)
-AC_INIT([ibus-cangjie], [2.3], [https://github.com/Cangjians/ibus-cangjie/issues], [ibus-cangjie], [https://github.com/Cangjians/ibus-cangjie])
+AC_INIT([ibus-cangjie], [2.4], [https://github.com/Cangjians/ibus-cangjie/issues], [ibus-cangjie], [https://github.com/Cangjians/ibus-cangjie])
 
 AC_CONFIG_HEADERS([config.h])
 AC_CONFIG_MACRO_DIR([m4])