diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8a45867..c9b8205 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,10 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 -->
 
 ## [Unreleased]
+## [0.5.1] - 2024-08-02
+
+- update doc
+
 ## [0.5.0] - 2024-08-02
 
 - use `rom_cache` crate for config caching
diff --git a/Cargo.toml b/Cargo.toml
index 9465856..b46a77d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ members = ["encrypt-config", "encrypt-config-derive", "tests", "examples"]
 resolver = "2"
 
 [workspace.package]
-version = "0.5.0"
+version = "0.5.1"
 authors = ["Louis <836250617@qq.com>"]
 description = "A Rust crate to manage, persist and encrypt your configurations."
 license = "MIT"
@@ -13,7 +13,7 @@ documentation = "https://docs.rs/encrypt-config"
 
 [workspace.dependencies]
 encrypt_config = { path = "encrypt-config", default-features = false }
-encrypt_config_derive = { path = "encrypt-config-derive", default-features = false, version = "0.5.0" }
+encrypt_config_derive = { path = "encrypt-config-derive", default-features = false, version = "0.5.1" }
 keyring = { version = "2.3", default-features = false }
 rom_cache = { version = "0.0.9" }
 
diff --git a/encrypt-config/README.md b/encrypt-config/README.md
index d1ed2b9..14abb59 100644
--- a/encrypt-config/README.md
+++ b/encrypt-config/README.md
@@ -75,9 +75,6 @@ opt-level = 3
 
 **So, too heavy workload will certainly lead to panic. See [`Config`] for detailes.**
 
-
-**The bug is: multiple loads from disk may be performed if cache missed if multiple threads**
-
 <!-- ABOUT THE PROJECT -->
 ## About The Project