diff --git a/charts/nextcloud-mcp-server/.cz.toml b/charts/nextcloud-mcp-server/.cz.toml
index 8668472..9ecb942 100644
--- a/charts/nextcloud-mcp-server/.cz.toml
+++ b/charts/nextcloud-mcp-server/.cz.toml
@@ -1,6 +1,6 @@
 [tool.commitizen]
 name = "cz_conventional_commits"
-version = "0.57.69"
+version = "0.57.70"
 tag_format = "nextcloud-mcp-server-$version"
 version_scheme = "semver"
 update_changelog_on_bump = true
diff --git a/charts/nextcloud-mcp-server/CHANGELOG.md b/charts/nextcloud-mcp-server/CHANGELOG.md
index a466414..2fb3ec7 100644
--- a/charts/nextcloud-mcp-server/CHANGELOG.md
+++ b/charts/nextcloud-mcp-server/CHANGELOG.md
@@ -14,6 +14,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Configurable resource limits
 - Grafana dashboard annotations
 
+## nextcloud-mcp-server-0.57.70 (2026-02-20)
+
+### Fix
+
+- address PR #571 review comments
+- resolve stale credentials causing astrolabe background sync test failures
+
+### Refactor
+
+- enforce PLC0415 (import-outside-top-level) for source code
+
 ## nextcloud-mcp-server-0.57.69 (2026-02-20)
 
 ## nextcloud-mcp-server-0.57.68 (2026-02-19)
diff --git a/charts/nextcloud-mcp-server/Chart.yaml b/charts/nextcloud-mcp-server/Chart.yaml
index 120f0ec..8ab563b 100644
--- a/charts/nextcloud-mcp-server/Chart.yaml
+++ b/charts/nextcloud-mcp-server/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: nextcloud-mcp-server
 description: A Helm chart for Nextcloud MCP Server - enables AI assistants to interact with Nextcloud
 type: application
-version: 0.57.69
+version: 0.57.70
 appVersion: "0.64.2"
 keywords:
   - nextcloud