diff --git a/fichero_printer/CHANGELOG.md b/fichero_printer/CHANGELOG.md
index 69b3023..dc16ea7 100644
--- a/fichero_printer/CHANGELOG.md
+++ b/fichero_printer/CHANGELOG.md
@@ -5,6 +5,29 @@ All notable changes to this project are documented in this file.
 The format is based on Keep a Changelog and this project uses Semantic Versioning.
 
 
+## [0.1.37] - 2026-03-20
+
+### Fixed
+- **Classic Bluetooth**: Fixed `[Errno 12] Out of memory` errors by implementing automatic Bluetooth cache cleaning
+- **Connection Stability**: Improved Classic Bluetooth connection reliability with systematic channel testing (1, 2, 3)
+- **BLE Scanning**: Enhanced BLE scan error handling for missing RSSI attributes
+
+### Added
+- **Automatic Cache Cleaning**: Bluetooth cache is now automatically cleared when memory errors occur
+- **Systematic Channel Testing**: Classic Bluetooth now tests channels 1, 2, 3 sequentially before falling back to BLE
+- **Enhanced Configuration**: Added `host_dbus`, `host_network`, and device permissions to config.yaml
+- **Improved Error Recovery**: Better handling of stale Bluetooth connections
+
+### Changed
+- **Connection Logic**: Classic Bluetooth now continues trying other channels instead of immediately falling back to BLE
+- **Configuration**: Updated default settings for better Home Assistant compatibility
+- **Error Messages**: More specific guidance for connection issues
+
+### Improved
+- **Reliability**: Classic Bluetooth connections are now more stable and recover from errors automatically
+- **Compatibility**: Better support for Home Assistant add-on environment
+- **User Experience**: Clearer error messages and automatic recovery
+
 ## [0.1.36] - 2026-03-19
 
 ### Fixed
diff --git a/fichero_printer/config.yaml b/fichero_printer/config.yaml
index 6029ed2..8206cba 100644
--- a/fichero_printer/config.yaml
+++ b/fichero_printer/config.yaml
@@ -1,5 +1,5 @@
 name: "Fichero Printer"
-version: "0.1.36"
+version: "0.1.37"
 host_dbus: true
 host_network: true
 devices:
diff --git a/fichero_printer/fichero/api.py b/fichero_printer/fichero/api.py
index df1bad4..878c1cf 100644
--- a/fichero_printer/fichero/api.py
+++ b/fichero_printer/fichero/api.py
@@ -79,7 +79,7 @@ async def lifespan(app: FastAPI):  # noqa: ARG001
 app = FastAPI(
     title="Fichero Printer API",
     description="REST API for the Fichero D11s (AiYin) thermal label printer.",
-    version = "0.1.36",
+    version = "0.1.37",
     lifespan=lifespan,
     docs_url=None,
     redoc_url=None,