diff --git a/CHANGELOG.md b/CHANGELOG.md
index 642556d..bccfbba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,17 @@
 # Changelog
 
+## [0.5.0](https://www.github.com/googleapis/python-network-connectivity/compare/v0.4.0...v0.5.0) (2021-07-23)
+
+
+### Features
+
+* add Samples section to CONTRIBUTING.rst ([#56](https://www.github.com/googleapis/python-network-connectivity/issues/56)) ([cf009ca](https://www.github.com/googleapis/python-network-connectivity/commit/cf009ca34d1bc2dce0deaa59eef7dc8b9a65a3e4))
+
+
+### Bug Fixes
+
+* **deps:** pin 'google-{api,cloud}-core', 'google-auth' to allow 2.x versions ([#55](https://www.github.com/googleapis/python-network-connectivity/issues/55)) ([efcacf5](https://www.github.com/googleapis/python-network-connectivity/commit/efcacf507d9e03d0357326e581a72447891aa84d))
+
 ## [0.4.0](https://www.github.com/googleapis/python-network-connectivity/compare/v0.3.0...v0.4.0) (2021-07-01)
 
 
diff --git a/setup.py b/setup.py
index 1441749..7b686d8 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 import os
 import setuptools  # type: ignore
 
-version = "0.4.0"
+version = "0.5.0"
 
 package_root = os.path.abspath(os.path.dirname(__file__))