diff --git a/CHANGELOG.md b/CHANGELOG.md
index 45ad4a8..d5e9976 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@
 
 [1]: https://pypi.org/project/google-auth-oauthlib/#history
 
+### [0.4.3](https://www.github.com/googleapis/google-auth-library-python-oauthlib/compare/v0.4.2...v0.4.3) (2021-02-12)
+
+
+### Bug Fixes
+
+* add `charset-utf-8` to response header ([#104](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/104)) ([53e31e2](https://www.github.com/googleapis/google-auth-library-python-oauthlib/commit/53e31e2d03b315c12670370f67bdca29b1cd5422))
+* **deps:** add lower bounds to all dependencies ([#99](https://www.github.com/googleapis/google-auth-library-python-oauthlib/issues/99)) ([5587c6a](https://www.github.com/googleapis/google-auth-library-python-oauthlib/commit/5587c6a72547742986e363e1f5ef6bcabd93bb02))
+
 ### [0.4.2](https://www.github.com/googleapis/google-auth-library-python-oauthlib/compare/v0.4.1...v0.4.2) (2020-10-28)
 
 
diff --git a/setup.py b/setup.py
index 63a332e..f5fbe68 100644
--- a/setup.py
+++ b/setup.py
@@ -27,7 +27,7 @@
     long_description = fh.read()
 
 
-version = "0.4.2"
+version = "0.4.3"
 
 setup(
     name="google-auth-oauthlib",