diff --git a/Cargo.toml b/Cargo.toml
index 446b22fe..eb23f0c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ttrpc"
-version = "0.5.4"
+version = "0.5.5"
 authors = ["The AntFin Kata Team <kata@list.alibaba-inc.com>"]
 edition = "2018"
 license = "Apache-2.0"