diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 58beba08..1017ca24 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.12.1"
+  ".": "8.12.2"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7de463e4..07b0aad7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Ruby SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [8.12.2](https://github.com/launchdarkly/ruby-server-sdk/compare/8.12.1...8.12.2) (2026-03-02)
+
+
+### Bug Fixes
+
+* Bump ld-eventsource to v2.5.1 for performance improvement ([#366](https://github.com/launchdarkly/ruby-server-sdk/issues/366)) ([599c6f8](https://github.com/launchdarkly/ruby-server-sdk/commit/599c6f8f9968677030bf99372038318000a9d279)), closes [#365](https://github.com/launchdarkly/ruby-server-sdk/issues/365)
+
 ## [8.12.1](https://github.com/launchdarkly/ruby-server-sdk/compare/8.12.0...8.12.1) (2026-02-23)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index 16353fd5..aaf9befb 100644
--- a/PROVENANCE.md
+++ b/PROVENANCE.md
@@ -9,7 +9,7 @@ To verify SLSA provenance attestations, we recommend using [slsa-verifier](https
 <!-- x-release-please-start-version -->
 ```
 # Set the version of the SDK to verify
-SDK_VERSION=8.12.1
+SDK_VERSION=8.12.2
 ```
 <!-- x-release-please-end -->
 
diff --git a/lib/ldclient-rb/version.rb b/lib/ldclient-rb/version.rb
index f0d63b78..187bdb0b 100644
--- a/lib/ldclient-rb/version.rb
+++ b/lib/ldclient-rb/version.rb
@@ -1,3 +1,3 @@
 module LaunchDarkly
-  VERSION = "8.12.1" # x-release-please-version
+  VERSION = "8.12.2" # x-release-please-version
 end