diff --git a/Cargo.toml b/Cargo.toml
index 9a78820..3e2f1bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "axdevice"
-version = "0.2.0"
+version = "0.2.1"
 description = "A reusable, OS-agnostic device abstraction layer designed for virtual machines."
 homepage = "https://github.com/arceos-hypervisor/axdevice"
 repository = "https://github.com/arceos-hypervisor/axdevice"