diff --git a/CHANGELOG.md b/CHANGELOG.md
index 260c4708d086..b0f62f66c89c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,33 @@
 # CHANGELOG
 
+## 2.21.0 / 2024-03-13
+
+### Fixed
+* Move under common tag Case Management by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1728
+* Include user data with team membership resource by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1724
+* Disable additionalProperties for Downtime Schedule UpdateRequest oneOfs by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1733
+* Fix ListServiceDefinitions pagination information by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1756
+### Added
+* Case Management Public API documentation by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1708
+* Make grpc steps available for synthetics api multisteps tests by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1727
+* Add cloud run filter to GCP v1 and v2 spec by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1705
+* add ASM serverless to usage metering API docs by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1736
+* Add new products to usage API docs by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1739
+* Adds support for `ListMetricAssets` endpoint by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1745
+* Add support for new CRUD agent rules endpoints by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1751
+* Add documentation for workflow usage attribution by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1757
+* Add Custom Destinations Public API by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1761
+### Changed
+* Update spec for DORA Metrics Incident endpoint by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1725
+### Deprecated
+* Deprecate the pattern property for SDS Standard Pattern Attributes by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1752
+* Deprecate Incident Services endpoints by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1763
+
+## New Contributors
+* @antonio-ramadas-dd made their first contribution in https://github.com/DataDog/datadog-api-client-ruby/pull/1760
+
+**Full Changelog**: https://github.com/DataDog/datadog-api-client-ruby/compare/v2.20.0...v2.21.0
+
 ## 2.20.0 / 2024-02-06
 
 ### Fixed
diff --git a/lib/datadog_api_client/version.rb b/lib/datadog_api_client/version.rb
index 44952609d308..f71300beef6a 100644
--- a/lib/datadog_api_client/version.rb
+++ b/lib/datadog_api_client/version.rb
@@ -1,5 +1,5 @@
 # Define library version.
 
 module DatadogAPIClient
-  VERSION = '2.20.0.dev.1'
+  VERSION = '2.21.0'
 end