diff --git a/CHANGELOG.md b/CHANGELOG.md
index 08bc6ae..5dccd38 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,12 @@ All notable changes to rattail-fabric2 will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
+## v0.4.6 (2025-09-06)
+
+### Fix
+
+- add `apt.is_installed()` function
+
 ## v0.4.5 (2025-02-01)
 
 ### Fix
diff --git a/pyproject.toml b/pyproject.toml
index cad4da6..b023bf6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -6,7 +6,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "rattail-fabric2"
-version = "0.4.5"
+version = "0.4.6"
 description = "Fabric (v2) Utilities for Rattail"
 readme = "README.md"
 authors = [{name = "Lance Edgar", email = "lance@edbob.org"}]