diff --git a/Project.toml b/Project.toml
index 488f600..a332705 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "CuYao"
 uuid = "b48ca7a8-dd42-11e8-2b8e-1b7706800275"
-version = "0.2.3"
+version = "0.2.4"
 
 [deps]
 BitBasis = "50ba71b6-fa0f-514d-ae9a-0916efc90dcf"