diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3cc79c7..8da0ce7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,12 @@
 
 <!--next-version-placeholder-->
 
+## v0.21.1 (2023-07-26)
+
+### Fix
+
+* Add unit of measurement to counter ([#56](https://github.com/Bluetooth-Devices/xiaomi-ble/issues/56)) ([`22956f8`](https://github.com/Bluetooth-Devices/xiaomi-ble/commit/22956f87269859e9ca94fb96c55a9a90fe45a4ac))
+
 ## v0.21.0 (2023-07-26)
 
 ### Feature
diff --git a/pyproject.toml b/pyproject.toml
index f011fd9..b5af3f3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "xiaomi-ble"
-version = "0.21.0"
+version = "0.21.1"
 description = "Manage Xiaomi BLE devices"
 authors = ["John Carr <john.carr@unrouted.co.uk>"]
 license = "Apache Software License 2.0"
diff --git a/src/xiaomi_ble/__init__.py b/src/xiaomi_ble/__init__.py
index 26a8275..bccc387 100644
--- a/src/xiaomi_ble/__init__.py
+++ b/src/xiaomi_ble/__init__.py
@@ -20,7 +20,7 @@
 from .devices import SLEEPY_DEVICE_MODELS
 from .parser import EncryptionScheme, XiaomiBluetoothDeviceData
 
-__version__ = "0.21.0"
+__version__ = "0.21.1"
 
 __all__ = [
     "SLEEPY_DEVICE_MODELS",