diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 62236535..874ecd69 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -3,7 +3,7 @@
   "lib/java-server-sdk-otel": "0.2.0",
   "lib/java-server-sdk-redis-store": "3.2.0",
   "lib/shared/common": "2.5.0",
-  "lib/shared/internal": "1.12.0",
+  "lib/shared/internal": "1.12.1",
   "lib/shared/test-helpers": "2.1.0",
   "lib/sdk/server": "7.17.1"
 }
diff --git a/lib/shared/internal/CHANGELOG.md b/lib/shared/internal/CHANGELOG.md
index 1695913a..0180e6ac 100644
--- a/lib/shared/internal/CHANGELOG.md
+++ b/lib/shared/internal/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the project will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [1.12.1](https://github.com/launchdarkly/java-core/compare/launchdarkly-java-sdk-internal-1.12.0...launchdarkly-java-sdk-internal-1.12.1) (2026-09-28)
+
+
+### Bug Fixes
+
+* Don't use computeIfAbsent in PerContextEventSummarizer ([#226](https://github.com/launchdarkly/java-core/issues/226)) ([6b02b08](https://github.com/launchdarkly/java-core/commit/6b02b084c438a01de79d9a1b877d4d5d6e806fb2))
+
 ## [1.12.0](https://github.com/launchdarkly/java-core/compare/launchdarkly-java-sdk-internal-1.11.1...launchdarkly-java-sdk-internal-1.12.0) (2026-09-15)
 
 
diff --git a/lib/shared/internal/gradle.properties b/lib/shared/internal/gradle.properties
index 1c0505d9..d62f8d86 100644
--- a/lib/shared/internal/gradle.properties
+++ b/lib/shared/internal/gradle.properties
@@ -1,5 +1,5 @@
 #x-release-please-start-version
-version=1.12.0
+version=1.12.1
 #x-release-please-end
 
 # Used only in Android CI test build: