diff --git a/setup.py b/setup.py
index 7236d8d5dc0..e279beb7986 100644
--- a/setup.py
+++ b/setup.py
@@ -29,7 +29,11 @@
                 if package.startswith('gym')],
       zip_safe=False,
       install_requires=[
-          'scipy', 'numpy>=1.10.4', 'pyglet>=1.4.0,<=1.5.0', 'Pillow<=7.2.0', 'cloudpickle>=1.2.0,<1.7.0',
+        'scipy',
+        'numpy>=1.10.4',
+        'pyglet>=1.4.0,<=1.5.15',
+        'Pillow<=8.2.0',
+        'cloudpickle>=1.2.0,<1.7.0',
       ],
       extras_require=extras,
       package_data={'gym': [