diff --git a/setup.py b/setup.py
index a353555..4c769a1 100755
--- a/setup.py
+++ b/setup.py
@@ -171,15 +171,23 @@ setuptools_extra_args = {}
 # setuptools requirements
 
 extras_require = dict(
-    parallel = ['ipyparallel'],
-    qtconsole = ['qtconsole'],
-    doc = ['Sphinx>=1.3'],
-    test = ['nose>=0.10.1', 'requests', 'testpath', 'pygments', 'nbformat', 'ipykernel', 'numpy>=1.14'],
-    terminal = [],
-    kernel = ['ipykernel'],
-    nbformat = ['nbformat'],
-    notebook = ['notebook', 'ipywidgets'],
-    nbconvert = ['nbconvert'],
+    parallel=["ipyparallel"],
+    qtconsole=["qtconsole"],
+    doc=["Sphinx>=1.3"],
+    test=[
+        "nose>=0.10.1",
+        "requests",
+        "testpath",
+        "pygments",
+        "nbformat",
+        "ipykernel",
+        "numpy>=1.16",
+    ],
+    terminal=[],
+    kernel=["ipykernel"],
+    nbformat=["nbformat"],
+    notebook=["notebook", "ipywidgets"],
+    nbconvert=["nbconvert"],
 )
 
 install_requires = [