diff --git a/setup.py b/setup.py
index 36f5aa5..9943225 100644
--- a/setup.py
+++ b/setup.py
@@ -14,7 +14,7 @@
     packages=find_packages(exclude=['examples', 'tests']),
     install_requires=list(package.strip() for package in open('requirements.txt')),
     classifiers=[
-        'Programming Language :: Python :: 3.7'
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8'
     ],
     python_requires='>=3.7',