diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7998a6f..eb2c1ca 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.2.2] - 2020-01-09
+
+- Mention lack of Proto 2 support in README.
+- Fix serialization of constructor parameters [#10](https://github.com/danielgtaylor/python-betterproto/pull/10)
+- Fix `casing` parameter propagation [#7](https://github.com/danielgtaylor/python-betterproto/pull/7)
+
 ## [1.2.1] - 2019-10-29
 
 - Fix comment indentation bug in rendered gRPC methods.
@@ -33,7 +39,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - Initial release
 
-[unreleased]: https://github.com/danielgtaylor/python-betterproto/compare/v1.2.1...HEAD
+[unreleased]: https://github.com/danielgtaylor/python-betterproto/compare/v1.2.2...HEAD
+[1.2.2]: https://github.com/danielgtaylor/python-betterproto/compare/v1.2.1...v1.2.2
 [1.2.1]: https://github.com/danielgtaylor/python-betterproto/compare/v1.2.0...v1.2.1
 [1.2.0]: https://github.com/danielgtaylor/python-betterproto/compare/v1.1.0...v1.2.0
 [1.1.0]: https://github.com/danielgtaylor/python-betterproto/compare/v1.0.1...v1.1.0
diff --git a/setup.py b/setup.py
index cf4433c..d99f19d 100644
--- a/setup.py
+++ b/setup.py
@@ -2,7 +2,7 @@ from setuptools import setup, find_packages
 
 setup(
     name="betterproto",
-    version="1.2.1",
+    version="1.2.2",
     description="A better Protobuf / gRPC generator & library",
     long_description=open("README.md", "r").read(),
     long_description_content_type="text/markdown",