diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 87f891425..54b73b27d 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -79,6 +79,7 @@ jobs:
           git checkout "$(git describe --tags "$(git rev-list --tags --max-count=1)")"
           python -m pip install build
           python -m build --sdist --wheel --outdir dist/ .
+          check-wheel-contents dist/*.whl
 
       # We use PyPI trusted publishing rather than a PyPI API token.
       # See https://github.com/pypa/gh-action-pypi-publish/tree/release/v1/?tab=readme-ov-file#trusted-publishing.
diff --git a/pyproject.toml b/pyproject.toml
index b53af7aee..cf8c6eb86 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -299,6 +299,7 @@ dependencies = [
 dev = [
     "actionlint-py==1.6.27.12",
     "check-manifest==0.49",
+    "check-wheel-contents==0.6.0",
     "deptry==0.15.0",
     "dirty-equals==0.7.1.post0",
     "doc8==1.1.1",