diff --git a/charts/nextcloud-mcp-server/.cz.toml b/charts/nextcloud-mcp-server/.cz.toml
index 6329dcd..a97a530 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 = "0.57.14"
+version = "0.57.15"
 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 6c65b92..07aed36 100644
--- a/charts/nextcloud-mcp-server/CHANGELOG.md
+++ b/charts/nextcloud-mcp-server/CHANGELOG.md
@@ -14,6 +14,28 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Configurable resource limits
 - Grafana dashboard annotations
 
+## nextcloud-mcp-server-0.57.15 (2026-01-26)
+
+### Feat
+
+- **scripts**: add database query helpers for development
+
+### Fix
+
+- **astrolabe**: resolve Psalm type errors in PDF preview code
+- **astrolabe**: fix Psalm baseline and ESLint import order
+- **astrolabe**: load pdfjs-dist externally to fix PDF viewer
+- **astrolabe**: improve error messages for authorization issues
+- **astrolabe**: rename OAuthController and fix app password check
+- **tests**: improve Astrolabe integration test reliability
+- **astrolabe**: update Plotly title attributes for v3 compatibility
+- **deps**: update dependency plotly.js-dist-min to v3
+
+### Refactor
+
+- **api**: split management.py into domain-focused modules
+- **astrolabe**: replace client-side PDF.js with server-side PyMuPDF rendering
+
 ## nextcloud-mcp-server-0.57.14 (2026-01-26)
 
 ## nextcloud-mcp-server-0.57.13 (2026-01-24)
diff --git a/charts/nextcloud-mcp-server/Chart.yaml b/charts/nextcloud-mcp-server/Chart.yaml
index f172527..646330b 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: 0.57.14
+version: 0.57.15
 appVersion: "0.62.0"
 keywords:
   - nextcloud