diff --git a/python_modules/dagstermill/setup.py b/python_modules/dagstermill/setup.py
index 60202178e..7b26ef994 100644
--- a/python_modules/dagstermill/setup.py
+++ b/python_modules/dagstermill/setup.py
@@ -1,58 +1,58 @@
 import argparse
 import sys
 
 from setuptools import find_packages, setup
 
 
 def get_version(name):
     version = {}
     with open('dagstermill/version.py') as fp:
         exec(fp.read(), version)  # pylint: disable=W0122
 
     if name == 'dagstermill':
         return version['__version__']
     elif name == 'dagstermill-nightly':
         return version['__nightly__']
     else:
         raise Exception('Shouldn\'t be here: bad package name {name}'.format(name=name))
 
 
 parser = argparse.ArgumentParser()
 parser.add_argument('--nightly', action='store_true')
 
 
 def _do_setup(name='dagstermill'):
     setup(
         name=name,
         version=get_version(name),
         author='Elementl',
         license='Apache-2.0',
         packages=find_packages(exclude=['dagstermill_tests']),
         classifiers=[
             'Programming Language :: Python :: 2.7',
             'Programming Language :: Python :: 3.5',
             'Programming Language :: Python :: 3.6',
             'Programming Language :: Python :: 3.7',
             'License :: OSI Approved :: Apache Software License',
             'Operating System :: OS Independent',
         ],
         install_requires=[
             'dagster',
             'dagster-pandas',
             'ipykernel>=4.9.0',
             'nteract-scrapbook>=0.2.0',
-            'papermill>=1.0.0',
+            'papermill>=1.0.0,<2.0.0',
             'scikit-learn>=0.19.0',
             'six',
         ],
         entry_points={'console_scripts': ['dagstermill = dagstermill.cli:main']},
     )
 
 
 if __name__ == '__main__':
     parsed, unparsed = parser.parse_known_args()
     sys.argv = [sys.argv[0]] + unparsed
     if parsed.nightly:
         _do_setup('dagstermill-nightly')
     else:
         _do_setup('dagstermill')