diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 1017ca24..b715ada4 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,3 +1,3 @@
 {
-  ".": "8.12.2"
+  ".": "8.12.3"
 }
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 07b0aad7..11fb5154 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,14 @@
 
 All notable changes to the LaunchDarkly Ruby SDK will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [8.12.3](https://github.com/launchdarkly/ruby-server-sdk/compare/8.12.2...8.12.3) (2026-03-05)
+
+
+### Bug Fixes
+
+* Fix flag tracker to properly match string keys ([#370](https://github.com/launchdarkly/ruby-server-sdk/issues/370)) ([7e96729](https://github.com/launchdarkly/ruby-server-sdk/commit/7e96729706d9ca585345130a3b5458ab41b310b7))
+* Move fdv2 data source builders into public API ([#371](https://github.com/launchdarkly/ruby-server-sdk/issues/371)) ([c4a1952](https://github.com/launchdarkly/ruby-server-sdk/commit/c4a1952b3d4150a8a7024fdb763da02075eed596))
+
 ## [8.12.2](https://github.com/launchdarkly/ruby-server-sdk/compare/8.12.1...8.12.2) (2026-03-02)
 
 
diff --git a/PROVENANCE.md b/PROVENANCE.md
index aaf9befb..15bde09f 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=8.12.2
+SDK_VERSION=8.12.3
 ```
 <!-- x-release-please-end -->
 
diff --git a/lib/ldclient-rb/version.rb b/lib/ldclient-rb/version.rb
index 187bdb0b..6b9494b9 100644
--- a/lib/ldclient-rb/version.rb
+++ b/lib/ldclient-rb/version.rb
@@ -1,3 +1,3 @@
 module LaunchDarkly
-  VERSION = "8.12.2" # x-release-please-version
+  VERSION = "8.12.3" # x-release-please-version
 end