diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 9965a34..a549f59 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "2.3.0"
+  ".": "2.4.0"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 97f28b4..a15e78c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly SSE Client for Ruby will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [2.4.0](https://github.com/launchdarkly/ruby-eventsource/compare/2.3.0...2.4.0) (2026-01-15)
+
+
+### Features
+
+* Support dynamic query parameter on reconnect ([#74](https://github.com/launchdarkly/ruby-eventsource/issues/74)) ([e6c76bf](https://github.com/launchdarkly/ruby-eventsource/commit/e6c76bfbc3f101b90ccc52793e276772035f41d8))
+
 ## [2.3.0](https://github.com/launchdarkly/ruby-eventsource/compare/2.2.6...2.3.0) (2025-08-28)
 
 
diff --git a/lib/ld-eventsource/version.rb b/lib/ld-eventsource/version.rb
index 4d0f1fb..159792a 100644
--- a/lib/ld-eventsource/version.rb
+++ b/lib/ld-eventsource/version.rb
@@ -1,3 +1,3 @@
 module SSE
-  VERSION = "2.3.0" # x-release-please-version
+  VERSION = "2.4.0" # x-release-please-version
 end