diff --git a/fabfile.py b/tasks.py
similarity index 67%
rename from fabfile.py
rename to tasks.py
index 9693f81..b7945f5 100644
--- a/fabfile.py
+++ b/tasks.py
@@ -2,7 +2,7 @@
 ################################################################################
 #
 #  Rattail -- Retail Software Framework
-#  Copyright © 2010-2017 Lance Edgar
+#  Copyright © 2010-2019 Lance Edgar
 #
 #  This file is part of Rattail.
 #
@@ -20,16 +20,27 @@
 #  Rattail.  If not, see <http://www.gnu.org/licenses/>.
 #
 ################################################################################
+"""
+Tasks for rattail-cognitive
+"""
 
+from __future__ import unicode_literals, absolute_import
+
+import os
 import shutil
 
-from fabric.api import *
+from invoke import task
+
+
+here = os.path.abspath(os.path.dirname(__file__))
+exec(open(os.path.join(here, 'rattail_cognitive', '_version.py')).read())
 
 
 @task
-def release():
+def release(ctx):
     """
-    Release a new version of 'rattail_cognitive'.
+    Release a new version of `rattail`.
     """
     shutil.rmtree('rattail_cognitive.egg-info')
-    local('python setup.py sdist --formats=gztar upload')
+    ctx.run('python setup.py sdist --formats=gztar')
+    ctx.run('twine upload dist/rattail_cognitive-{}.tar.gz'.format(__version__))