diff --git a/CHANGELOG.md b/CHANGELOG.md
index a7dbc5b1..d5eb10dc 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,26 @@
 
 [1]: https://pypi.org/project/google-cloud-datacatalog/#history
 
+## [3.1.0](https://www.github.com/googleapis/python-datacatalog/compare/v3.0.0...v3.1.0) (2021-03-22)
+
+
+### Features
+
+* add `client_cert_source_for_mtls` argument to transports ([#107](https://www.github.com/googleapis/python-datacatalog/issues/107)) ([59a44bc](https://www.github.com/googleapis/python-datacatalog/commit/59a44bc744a6322a2a23313c851eb77204110e79))
+
+
+### Bug Fixes
+
+* remove gRPC send/recv limit; add enums to `types/__init__.py` ([#87](https://www.github.com/googleapis/python-datacatalog/issues/87)) ([e0c40c7](https://www.github.com/googleapis/python-datacatalog/commit/e0c40c765242868570532b5074fd239aa2c259e9))
+
+
+### Documentation
+
+* document enum values with `undoc-members` option ([#93](https://www.github.com/googleapis/python-datacatalog/issues/93)) ([2dbb3ef](https://www.github.com/googleapis/python-datacatalog/commit/2dbb3ef062b52925ad421c5c469ed6e67671e878))
+* fix `type_` attribute name in the migration guide ([#113](https://www.github.com/googleapis/python-datacatalog/issues/113)) ([2f98f22](https://www.github.com/googleapis/python-datacatalog/commit/2f98f2244271d92f79fdb26103478166958b8c8a))
+* fix upgrade guide ([#114](https://www.github.com/googleapis/python-datacatalog/issues/114)) ([4bfa587](https://www.github.com/googleapis/python-datacatalog/commit/4bfa587903105cb3de2272618374df0b04156017))
+* update the upgrade guide to be from 1.0 to 3.0 ([#77](https://www.github.com/googleapis/python-datacatalog/issues/77)) ([eed034a](https://www.github.com/googleapis/python-datacatalog/commit/eed034a3969913e40554300ae97c5e00e4fcc79a))
+
 ## [3.0.0](https://www.github.com/googleapis/python-datacatalog/compare/v2.0.0...v3.0.0) (2020-11-17)
 
 
diff --git a/setup.py b/setup.py
index e302810c..fc8dbc1a 100644
--- a/setup.py
+++ b/setup.py
@@ -21,7 +21,7 @@
 
 name = "google-cloud-datacatalog"
 description = "Google Cloud Data Catalog API API client library"
-version = "3.0.0"
+version = "3.1.0"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'