diff --git a/IPython/testing/iptest.py b/IPython/testing/iptest.py
index e90eafc0d..d40762e1b 100644
--- a/IPython/testing/iptest.py
+++ b/IPython/testing/iptest.py
@@ -147,7 +147,7 @@ have['zmq'] = test_for('zmq.pyzmq_version_info', min_zmq, callback=lambda x: x()
 
 test_group_names = ['parallel', 'kernel', 'kernel.inprocess', 'config', 'core',
                     'extensions', 'lib', 'terminal', 'testing', 'utils',
-                    'nbformat', 'qt', 'html', 'nbconvert'
+                    'qt', 'html', 'nbconvert'
                    ]
 
 class TestSection(object):
@@ -282,8 +282,6 @@ if not have['tornado']:
     sec.exclude('nbconvert.post_processors.serve')
     sec.exclude('nbconvert.post_processors.tests.test_serve')
 
-# nbformat:
-test_sections['nbformat'].requires('jsonschema')
 
 #-----------------------------------------------------------------------------
 # Functions and classes
diff --git a/setup.py b/setup.py
index fcec5b116..c47a27d77 100755
--- a/setup.py
+++ b/setup.py
@@ -271,7 +271,7 @@ extras_require = dict(
     doc = ['Sphinx>=1.1', 'numpydoc'],
     test = ['nose>=0.10.1', 'requests'],
     terminal = [],
-    nbformat = ['jsonschema>=2.0'],
+    nbformat = ['jupyter_nbformat'],
     notebook = ['tornado>=4.0', pyzmq, 'jinja2', 'pygments', 'mistune>=0.5'],
     nbconvert = ['pygments', 'jinja2', 'mistune>=0.3.1']
 )