diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0ac4940..52ba447 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Changelog
 
+## v0.5 (2022-05-25)
+
+Improvements:
+
+* Support messages containing data for a single meter
+  (electricity or gas only)
+
 ## v0.4 (2021-06-13)
 
 Improvements:
diff --git a/energy_usage/__init__.py b/energy_usage/__init__.py
index 48cf6a2..c8ffb9e 100644
--- a/energy_usage/__init__.py
+++ b/energy_usage/__init__.py
@@ -1 +1 @@
-VERSION = "0.4"
+VERSION = "0.5"