Merge pull request #1 from jupyterhub/master

Merge from updated master

Author: dipanjank

setup.py

@@ -6,7 +6,7 @@
 
 setuptools.setup(
     name="jupyter-server-proxy",
-    version='1.5.2',
+    version='1.5.3',
     url="https://github.com/jupyterhub/jupyter-server-proxy",
     author="Ryan Lovett & Yuvi Panda",
     author_email="[email protected]",
@@ -15,7 +15,7 @@
     long_description=readme,
     long_description_content_type="text/markdown",
     packages=setuptools.find_packages(),
-    install_requires=['notebook', 'simpervisor>=0.2', 'aiohttp'],
+    install_requires=['notebook', 'simpervisor>=0.4', 'aiohttp'],
     python_requires='>=3.5',
     classifiers=[
         'Framework :: Jupyter',