diff --git a/MANIFEST.in b/MANIFEST.in
index 3c11a85..fca7faf 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,6 +1,6 @@
 exclude .cookiecutter-replay.json
 exclude .editorconfig
-exclude .gitignore
+exclude .git*
 exclude CODEOWNERS
 exclude CONTRIBUTING.md
 exclude mkdocs.yml
@@ -10,7 +10,3 @@ recursive-exclude .github *
 recursive-exclude benchmarks *
 recursive-exclude docs *
 recursive-exclude tests *
-recursive-include frequenz-api-microgrid/proto *.proto
-recursive-include frequenz-api-microgrid/submodules/frequenz-api-common/proto *.proto
-recursive-include frequenz-api-microgrid/submodules/api-common-protos *.proto
-recursive-include src *.pyi
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index acb3cef..4db7c6a 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,17 +1,5 @@
 # Frequenz Microgrid API Python Bindings Release Notes
 
-## Summary
-
-<!-- Here goes a general summary of what this release is about -->
-
-## Upgrading
-
-<!-- Here goes notes on how to upgrade from previous versions, including deprecations and what they should be replaced with -->
-
-## New Features
-
-<!-- Here goes the main new features and examples or instructions on how to use them -->
-
 ## Bug Fixes
 
-<!-- Here goes notable bug fixes that are worth a special mention or explanation -->
+Fix a packaging issue resulting in the generated files not being included.
diff --git a/pyproject.toml b/pyproject.toml
index 309bdd7..157c069 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@
 requires = [
   "setuptools == 68.1.0",
   "setuptools_scm[toml] == 7.1.0",
-  "setuptools-betterproto == 0.1.0",
+  "setuptools-betterproto == 0.2.0",
 ]
 build-backend = "setuptools.build_meta"