diff --git a/CHANGELOG.md b/CHANGELOG.md
index a62eabb124b2..78874327e3c3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## 2.19.0 / 2024-01-10
+
+### Added
+* Add priority field to SDS rule and standard-pattern by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1664
+* Document new `resource_collection` and `is_security_command_center_enabled` fields in GCP APIs by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1665
+* Add SAML attributes by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1656
+* Security Monitoring - Support custom third party rules by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1682
+* Add public API support for time-slice SLOs by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1674
+* Add included_keyword_configuration field to SDS rule by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1685
+* Update Documentation for APM DevSecOps by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1686
+### Changed
+* Mark v1 downtime endpoints as deprecated by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1679
+* Adding Cloud Cost Management API Documentation by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1672
+* Add support for Cloudflare API `zone` and `resource` fields by @api-clients-generation-pipeline in https://github.com/DataDog/datadog-api-client-ruby/pull/1684
+
+
+**Full Changelog**: https://github.com/DataDog/datadog-api-client-ruby/compare/v2.18.0...v2.19.0
+
 ## 2.18.0 / 2023-12-12
 
 ### Fixed
diff --git a/lib/datadog_api_client/version.rb b/lib/datadog_api_client/version.rb
index 5e0135e62fe4..b273654ccd01 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 = '2.18.0.dev.1'
+  VERSION = '2.19.0'
 end