diff --git a/CHANGES.rst b/CHANGES.rst
index 4db0b06..be8a2f3 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -1,15 +1,17 @@
 Changelog
 =========
 
-UNRELEASED
-~~~~~~~~~~
+0.5.x
+~~~~~
+
+Version0.5.1
+------------
+
+Released on Jun 24, 2024.
 
 - Fix an issue where loading a thrift file in a sub-thread will cause an error.
 - Some typo fixes.
 
-0.5.0
-~~~~~
-
 Version 0.5.0
 -------------
 
diff --git a/thriftpy2/__init__.py b/thriftpy2/__init__.py
index ec5007c..7263ff6 100644
--- a/thriftpy2/__init__.py
+++ b/thriftpy2/__init__.py
@@ -5,7 +5,7 @@
 from .hook import install_import_hook, remove_import_hook
 from .parser import load, load_module, load_fp
 
-__version__ = '0.5.1rc2'
+__version__ = '0.5.1'
 __python__ = sys.version_info
 __all__ = ["install_import_hook", "remove_import_hook", "load", "load_module",
            "load_fp"]