diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 516377eb..f8b1f7b6 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.18.3"
+  ".": "8.19.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4b1b28ce..bfe37bf1 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,21 @@
 
 All notable changes to the LaunchDarkly Ruby SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [8.19.0](https://github.com/launchdarkly/ruby-server-sdk/compare/8.18.3...8.19.0) (2026-10-15)
+
+
+### Features
+
+* Retry indefinitely after a data source failure instead of stopping permanently ([fa29bf8](https://github.com/launchdarkly/ruby-server-sdk/commit/fa29bf8870e6dea11dd7f005ef01c9504940ed34))
+
+
+### Bug Fixes
+
+* Log normal HTTP errors from a data source at warn instead of error ([fa29bf8](https://github.com/launchdarkly/ruby-server-sdk/commit/fa29bf8870e6dea11dd7f005ef01c9504940ed34))
+* Measure a repeating task's interval from when the task returns ([fa29bf8](https://github.com/launchdarkly/ruby-server-sdk/commit/fa29bf8870e6dea11dd7f005ef01c9504940ed34))
+* Update ld-eventsource to 3.0.1 ([fa29bf8](https://github.com/launchdarkly/ruby-server-sdk/commit/fa29bf8870e6dea11dd7f005ef01c9504940ed34))
+* Warn and use the documented default for an invalid poll interval or initial reconnect delay ([fa29bf8](https://github.com/launchdarkly/ruby-server-sdk/commit/fa29bf8870e6dea11dd7f005ef01c9504940ed34))
+
 ## [8.18.3](https://github.com/launchdarkly/ruby-server-sdk/compare/8.18.2...8.18.3) (2026-10-09)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index 66417834..0c72fb70 100644
--- a/PROVENANCE.md
+++ b/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify build provenance attestations, we recommend using the [GitHub CLI `att
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=8.18.3
+SDK_VERSION=8.19.0
 ```
 <!-- x-release-please-end -->
 
diff --git a/lib/ldclient-rb/version.rb b/lib/ldclient-rb/version.rb
index b375234c..c87d0cbe 100644
--- a/lib/ldclient-rb/version.rb
+++ b/lib/ldclient-rb/version.rb
@@ -1,3 +1,3 @@
 module LaunchDarkly
-  VERSION = "8.18.3" # x-release-please-version
+  VERSION = "8.19.0" # x-release-please-version
 end