diff --git a/dev-requirements.txt b/dev-requirements.txt
index 1634de9..b2a6c79 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,5 +1,6 @@
 coverage
 flake8
+invoke
 iso8601
 pretend
 pytest
diff --git a/docs/doing-a-release.rst b/docs/doing-a-release.rst
index 77582a4..e52c272 100644
--- a/docs/doing-a-release.rst
+++ b/docs/doing-a-release.rst
@@ -23,5 +23,6 @@
 
 * Run ``invoke release {version}``.
 
-That's all, the release should now be available on PyPI and a tag should be
-available in the repository.
+The release should now be available on PyPI and a tag should be available in
+the repository. You should verify that ``pip install cryptography`` works
+correctly.
diff --git a/tasks.py b/tasks.py
index 5fe2871..ca967f0 100644
--- a/tasks.py
+++ b/tasks.py
@@ -23,5 +23,5 @@
     invoke.run("git tag -s {}".format(version))
     invoke.run("git push --tags")
 
-    invoke.run("python setup.py sdist bdist_wheel")
+    invoke.run("python setup.py sdist")
     invoke.run("twine upload -s dist/cryptography-{}*".format(version))