diff --git a/Cargo.toml b/Cargo.toml
index dba6408..ecec6b9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ckb-std"
-version = "0.16.2"
+version = "0.16.3"
 authors = ["Nervos network"]
 edition = "2021"
 license = "MIT"