diff --git a/Cargo.toml b/Cargo.toml
index 6e79995..4ec34d3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ckb-std"
-version = "0.15.1"
+version = "0.15.2"
 authors = ["Nervos network"]
 edition = "2021"
 license = "MIT"
diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index 3088708..de4e663 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -51,7 +51,7 @@ dependencies = [
 
 [[package]]
 name = "ckb-std"
-version = "0.15.1"
+version = "0.15.2"
 dependencies = [
  "buddy-alloc",
  "cc",