diff --git a/CHANGES.rst b/CHANGES.rst
index 84d45b2..c650fa1 100644
--- a/CHANGES.rst
+++ b/CHANGES.rst
@@ -4,6 +4,11 @@ Changelog
 0.4.x
 ~~~~~
 
+Version 0.4.19
+--------------
+
+- Fix a compatibility issue with legacy Python.
+
 Version 0.4.18
 --------------
 
diff --git a/thriftpy2/__init__.py b/thriftpy2/__init__.py
index 881e2c3..1abcc53 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__ = '0.4.18'
+__version__ = '0.4.19'
 __python__ = sys.version_info
 __all__ = ["install_import_hook", "remove_import_hook", "load", "load_module",
            "load_fp"]