diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6eb89a9..b722317 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## v0.43.0 (2025-11-18)
+
+### Feat
+
+- Replace custom document chunker with LangChain MarkdownTextSplitter
+
 ## v0.42.0 (2025-11-17)
 
 ### Feat
diff --git a/charts/nextcloud-mcp-server/Chart.yaml b/charts/nextcloud-mcp-server/Chart.yaml
index fee851b..d0c608d 100644
--- a/charts/nextcloud-mcp-server/Chart.yaml
+++ b/charts/nextcloud-mcp-server/Chart.yaml
@@ -2,8 +2,8 @@ apiVersion: v2
 name: nextcloud-mcp-server
 description: A Helm chart for Nextcloud MCP Server - enables AI assistants to interact with Nextcloud
 type: application
-version: 0.42.0
-appVersion: "0.42.0"
+version: 0.43.0
+appVersion: "0.43.0"
 keywords:
   - nextcloud
   - mcp
diff --git a/pyproject.toml b/pyproject.toml
index e47178f..d24dbc7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "nextcloud-mcp-server"
-version = "0.42.0"
+version = "0.43.0"
 description = "Model Context Protocol (MCP) server for Nextcloud integration - enables AI assistants to interact with Nextcloud data"
 authors = [
     {name = "Chris Coutinho", email = "chris@coutinho.io"}
diff --git a/uv.lock b/uv.lock
index a3cdf71..d8a2266 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1927,7 +1927,7 @@ wheels = [
 
 [[package]]
 name = "nextcloud-mcp-server"
-version = "0.42.0"
+version = "0.43.0"
 source = { editable = "." }
 dependencies = [
     { name = "aiosqlite" },