diff --git a/.github/workflows/pypi-test.yml b/.github/workflows/pypi-test.yml
index f6cdc62..a91bd99 100644
--- a/.github/workflows/pypi-test.yml
+++ b/.github/workflows/pypi-test.yml
@@ -81,7 +81,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-20.04, macos-11] # at some point get this to work on windows-2019
+        os: [ubuntu-22.04, macos-13] # at some point get this to work on windows-2019
 
     steps:
       - uses: actions/checkout@v3
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bceed33..84daa5b 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,11 @@
 # Changelog
 
-## Version 0.3.0 (development)
+## Version 0.4.0 - 0.4.3
+
+- Migrate to the new class implementations
+- Add reader for objects containing genomic ranges
+
+## Version 0.3.0
 
 This release migrates the package to a more palatable Google's Python style guide. A major modification to the package is with casing, all `camelCase` properties, methods, functions and parameters are now `snake_case`.
 
@@ -12,6 +17,4 @@ Finally, pyscaffold has been updated to use "myst-parser" as the markdown compil
 
 ## Version 0.1
 
-- Feature A added
-- FIX: nasty bug #1729 fixed
-- add your changes here!
+- First implementation