diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40dd1b8f..4961bb42 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - :warning: Functions for interacting with the device (set-shutter-level i.E.) are added to functionalChannel classes. This is because actions are bound to channels, not the devices. This is the foundation for more changes in the future. These functions in device classes are deprecated soon.
 - Add field channelRole to MultiModeInputChannel
 - Default Channel for device HmIP-DLD is set to 1
+- HmIP-DLD is a OperationLockableDevice
 - Add support for IOptionalFeatureMountingOrientation
 - Add support for IOptionalFeatureControlsMountingOrientation
 - Add support for HmIP-eTRV-CL
diff --git a/homematicip/device.py b/homematicip/device.py
index 629ff8e4..86e8d3a0 100644
--- a/homematicip/device.py
+++ b/homematicip/device.py
@@ -2332,7 +2332,7 @@ def from_json(self, js):
             self.set_attr_from_dict("temperatureExternalTwo", c)
 
 
-class DoorLockDrive(Device):
+class DoorLockDrive(OperationLockableDevice):
     """HmIP-DLD"""
 
     def __init__(self, connection):