Simplify
diff --git a/tasks.py b/tasks.py
index bb30194..5db7a61 100644
--- a/tasks.py
+++ b/tasks.py
@@ -44,8 +44,9 @@
     update_version("docs/conf.py", "release", version)
 
     invoke.run("git commit -am 'Bump version numbers for release.'")
+    invoke.run("git push")
     invoke.run("git tag -s {}".format(version))
-    invoke.run("git push --all --tags")
+    invoke.run("git push --tags")
 
     invoke.run("python setup.py sdist bdist_wheel")
     invoke.run("twine upload -s dist/cryptography-{}*".format(version))