diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index 14c434b..59c7d34 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1 +1 @@
-{"packages/common":"1.8.0","packages/common_client":"1.9.0","packages/event_source_client":"2.0.1","packages/flutter_client_sdk":"4.16.0"}
+{"packages/common":"1.8.0","packages/common_client":"1.9.0","packages/event_source_client":"2.1.0","packages/flutter_client_sdk":"4.16.0"}
diff --git a/packages/event_source_client/CHANGELOG.md b/packages/event_source_client/CHANGELOG.md
index 80d8201..fb6e9df 100644
--- a/packages/event_source_client/CHANGELOG.md
+++ b/packages/event_source_client/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Event Source Client SDK will be documented in this file. This project adheres to [Semantic Versioning](https://semver.org).
 
+## [2.1.0](https://github.com/launchdarkly/flutter-client-sdk/compare/launchdarkly_event_source_client-v2.0.1...launchdarkly_event_source_client-v2.1.0) (2026-05-07)
+
+
+### Features
+
+* add SSECapability surface to SSEClient ([#266](https://github.com/launchdarkly/flutter-client-sdk/issues/266)) ([c78480c](https://github.com/launchdarkly/flutter-client-sdk/commit/c78480c5cb6a7196d5c3d0e25c75eb56a77b043c))
+
 ## [2.0.1](https://github.com/launchdarkly/flutter-client-sdk/compare/launchdarkly_event_source_client-v2.0.0...launchdarkly_event_source_client-v2.0.1) (2025-09-04)
 
 
diff --git a/packages/event_source_client/pubspec.yaml b/packages/event_source_client/pubspec.yaml
index 973a1da..aebe1f6 100644
--- a/packages/event_source_client/pubspec.yaml
+++ b/packages/event_source_client/pubspec.yaml
@@ -1,6 +1,6 @@
 name: launchdarkly_event_source_client
 description: Server-sent events (SSE) client implementation for dart and flutter.
-version: 2.0.1
+version: 2.1.0
 homepage: https://github.com/launchdarkly/flutter-client-sdk
 repository: https://github.com/launchdarkly/flutter-client-sdk/tree/main/packages/event_source_client