diff --git a/CHANGELOG.md b/CHANGELOG.md
index 09232b6d..d28e9519 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+### [1.19.3](https://www.github.com/googleapis/proto-plus-python/compare/v1.19.2...v1.19.3) (2021-10-07)
+
+
+### Bug Fixes
+
+* setting bytes field from python string base64 decodes before assignment ([#255](https://www.github.com/googleapis/proto-plus-python/issues/255)) ([b6f3eb6](https://www.github.com/googleapis/proto-plus-python/commit/b6f3eb6575484748126170997b8c98512763ea66))
+
 ### [1.19.2](https://www.github.com/googleapis/proto-plus-python/compare/v1.19.1...v1.19.2) (2021-09-29)
 
 
diff --git a/setup.py b/setup.py
index 60e829a8..f6b9c23b 100644
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 
 from setuptools import find_packages, setup
 
-version = "1.19.2"
+version = "1.19.3"
 
 PACKAGE_ROOT = os.path.abspath(os.path.dirname(__file__))