diff --git a/.release-please-manifest.json b/.release-please-manifest.json
index d69d277..ac5ea41 100644
--- a/.release-please-manifest.json
+++ b/.release-please-manifest.json
@@ -1,6 +1,6 @@
 {
   "packages/sdk/server-ai": "0.17.0",
-  "packages/ai-providers/server-ai-langchain": "0.4.0",
+  "packages/ai-providers/server-ai-langchain": "0.4.1",
   "packages/ai-providers/server-ai-openai": "0.3.0",
   "packages/optimization": "0.1.0"
 }
diff --git a/packages/ai-providers/server-ai-langchain/CHANGELOG.md b/packages/ai-providers/server-ai-langchain/CHANGELOG.md
index 936e2b2..e30fad2 100644
--- a/packages/ai-providers/server-ai-langchain/CHANGELOG.md
+++ b/packages/ai-providers/server-ai-langchain/CHANGELOG.md
@@ -2,6 +2,13 @@
 
 All notable changes to the LaunchDarkly Python AI LangChain provider package will be documented in this file. This project adheres to [Semantic Versioning](http://semver.org).
 
+## [0.4.1](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-langchain-0.4.0...launchdarkly-server-sdk-ai-langchain-0.4.1) (2026-04-07)
+
+
+### Bug Fixes
+
+* Fixes agent graph tool calls in fanned out graphs ([#123](https://github.com/launchdarkly/python-server-sdk-ai/issues/123)) ([c140410](https://github.com/launchdarkly/python-server-sdk-ai/commit/c14041090643d1261881343fdd70b4079997b773))
+
 ## [0.4.0](https://github.com/launchdarkly/python-server-sdk-ai/compare/launchdarkly-server-sdk-ai-langchain-0.3.2...launchdarkly-server-sdk-ai-langchain-0.4.0) (2026-04-02)
 
 
diff --git a/packages/ai-providers/server-ai-langchain/pyproject.toml b/packages/ai-providers/server-ai-langchain/pyproject.toml
index 1c036b8..806fdaa 100644
--- a/packages/ai-providers/server-ai-langchain/pyproject.toml
+++ b/packages/ai-providers/server-ai-langchain/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "launchdarkly-server-sdk-ai-langchain"
-version = "0.4.0"
+version = "0.4.1"
 description = "LaunchDarkly AI SDK LangChain Provider"
 authors = [{name = "LaunchDarkly", email = "dev@launchdarkly.com"}]
 license = {text = "Apache-2.0"}