diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 10d7420d..f3ac6765 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -9,6 +9,19 @@ on:
       - "main"
 
 jobs:
+  check_manifest:
+    name: check-manifest
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+      - name: check-manifest
+        run: |
+          pip install check-manifest
+          check-manifest
+
   test:
     name: test ${{ matrix.platform }} (${{ matrix.python-version }})
     runs-on: ${{ matrix.platform }}
diff --git a/MANIFEST.in b/MANIFEST.in
index bbb599a3..dfd33ee1 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -1,4 +1,4 @@
-include LICENSE README.md setup.py pyproject.toml
+include LICENSE README.md setup.py pyproject.toml CHANGELOG.md
 include src/ome_types/py.typed
 recursive-include src *.xsd
 recursive-exclude testing *
diff --git a/pyproject.toml b/pyproject.toml
index 33bd94f3..d65ff5ed 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,6 +21,7 @@ ignore = [
   "mypy.ini",
   "coverage.yml",
   ".pre-commit-config.yaml",
+  ".github_changelog_generator",
   "src/ome_autogen.py",
   ".readthedocs.yml",
   "src/ome_types/_version.py", # added by setuptools_scm during build