diff --git a/README.md b/README.md
index 72655b1..f604c4d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ Successfully executed cells are frozen automatically to prevent to re-run.
 
 # Prerequisite
 
-* [Jupyter Notebook](https://github.com/jupyter/notebook) 4.2.x
+* [Jupyter Notebook](https://github.com/jupyter/notebook) 4.2.x or 5.x
 * [Collapsible Headings extension](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/tree/master/src/jupyter_contrib_nbextensions/nbextensions/collapsible_headings) is installed and enabled
 * [Freeze extension](https://github.com/ipython-contrib/jupyter_contrib_nbextensions/tree/master/src/jupyter_contrib_nbextensions/nbextensions/freeze) is installed and enabled
 
diff --git a/lc_run_through/extensionapp.py b/lc_run_through/extensionapp.py
index 000eeeb..c6cd4b8 100644
--- a/lc_run_through/extensionapp.py
+++ b/lc_run_through/extensionapp.py
@@ -7,13 +7,18 @@
 from notebook.nbextensions import (InstallNBExtensionApp, EnableNBExtensionApp,
     DisableNBExtensionApp)
 
-from notebook.nbextensions import BaseNBExtensionApp
+try:
+    from notebook.extensions import BaseExtensionApp
+except ImportError:
+    from notebook.nbextensions import BaseNBExtensionApp
+    BaseExtensionApp = BaseNBExtensionApp
+
 from notebook import nbextensions
 
 from traitlets.config.application import catch_config_error
 from traitlets.config.application import Application
 
-class ExtensionQuickSetupApp(BaseNBExtensionApp):
+class ExtensionQuickSetupApp(BaseExtensionApp):
     """Installs and enables all parts of this extension"""
     name = "jupyter run-through quick-setup"
     version = __version__
@@ -44,7 +49,7 @@ def enable_collapsible_headings(self):
         enable.start();
 
 
-class ExtensionQuickRemovalApp(BaseNBExtensionApp):
+class ExtensionQuickRemovalApp(BaseExtensionApp):
     """Disables and uninstalls all parts of this extension"""
     name = "jupyter run-through quick-remove"
     version = __version__
diff --git a/lc_run_through/nbextension/run-through.yml b/lc_run_through/nbextension/run-through.yml
index ea5d93c..aba395f 100644
--- a/lc_run_through/nbextension/run-through.yml
+++ b/lc_run_through/nbextension/run-through.yml
@@ -5,4 +5,4 @@ Description: "Run through extension for Literate Computing"
 Link: README.md
 Icon: icon.png
 Main: main.js
-Compatibility: 4.x
+Compatibility: 4.x 5.x
diff --git a/setup.py b/setup.py
index a1d7222..c31be94 100644
--- a/setup.py
+++ b/setup.py
@@ -14,10 +14,10 @@
       description='LC run through extension for Jupyter Notebook',
       packages=['lc_run_through'],
       include_package_data=True,
-      platforms=['Jupyter Notebook 4.2.x'],
+      platforms=['Jupyter Notebook 4.2.x', 'Jupyter Notebook 5.x'],
       zip_safe=False,
       install_requires=[
-          'notebook>=4.2.0,<5.0',
+          'notebook>=4.2.0',
       ],
       entry_points={
           'console_scripts': [