diff --git a/CHANGELOG.md b/CHANGELOG.md
index f55b4df..7443bd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,17 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 <!-- version list -->
 
+## v0.9.0 (2026-05-03)
+
+### Bug Fixes
+
+- Apply black formatting to test_format_connection_error.py (--target-version py312)
+  ([`79d664c`](https://github.com/christianlouis/InboxConverge/commit/79d664c0e4907159e6f2558f9449522411ecda73))
+
+- Remove unused imports and bare f-string in test_format_connection_error.py (ruff F401/F541)
+  ([`b1dd171`](https://github.com/christianlouis/InboxConverge/commit/b1dd1714f7e2d40826e03ccfd6e6868002f2699e))
+
+
 ## [Unreleased]
 
 ### Added
diff --git a/pyproject.toml b/pyproject.toml
index 2075c80..89faca6 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "inboxconverge"
-version = "0.8.1"
+version = "0.9.0"
 description = "Multi-account email forwarding and processing service"
 readme = "README.md"
 requires-python = ">=3.12"