diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 963b94d..f107bcd 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -26,8 +26,6 @@ jobs:
           python-version-file: ".python-version"
       - name: Create virtualenv
         run: python -m venv .venv
-      - name: Activate virtualenv
-        run: source .venv/bin/activate
       - name: Install dependencies
         run: .venv/bin/pip install .[dev]
       - name: Build crate
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bbed987..24bb913 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,9 @@
+## Unreleased
+
+Released XXXX-XX-XX
+
+* [#3](https://github.com/tiwilliam/rsmime/pull/3) - Replace black with ruff for formatting.
+
 ## 0.6.4
 
 Released 2023-10-30