diff --git a/CHANGELOG.md b/CHANGELOG.md
index 59c4a013e..67ceb26d2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,14 @@
 
 [1]: https://pypi.org/project/dialogflow/#history
 
+## [2.15.1](https://github.com/googleapis/python-dialogflow/compare/v2.15.0...v2.15.1) (2022-08-09)
+
+
+### Documentation
+
+* added an explicit note that DetectIntentRequest's text input is limited by 256 characters ([#543](https://github.com/googleapis/python-dialogflow/issues/543)) ([4b36501](https://github.com/googleapis/python-dialogflow/commit/4b36501ada91f1eb97e3d80da6b429ea591b432c))
+* updated some method comments and added an explicit note that DetectIntentRequest's text input is limited by 256 characters ([#545](https://github.com/googleapis/python-dialogflow/issues/545)) ([1efd108](https://github.com/googleapis/python-dialogflow/commit/1efd10881e1bb40de1452c4c6e6696cf61b81c90))
+
 ## [2.15.0](https://github.com/googleapis/python-dialogflow/compare/v2.14.1...v2.15.0) (2022-07-16)
 
 
diff --git a/setup.py b/setup.py
index 0e56d18b1..647df8f55 100644
--- a/setup.py
+++ b/setup.py
@@ -19,7 +19,7 @@
 
 name = "dialogflow"
 description = "Client library for the Dialogflow API"
-version = "2.15.0"
+version = "2.15.1"
 release_status = "Development Status :: 5 - Production/Stable"
 dependencies = [
     "google-api-core[grpc] >= 1.32.0, <3.0.0dev,!=2.0.*,!=2.1.*,!=2.2.*,!=2.3.*,!=2.4.*,!=2.5.*,!=2.6.*,!=2.7.*",