diff --git a/setup.py b/setup.py
index 276077d4..a56658d2 100644
--- a/setup.py
+++ b/setup.py
@@ -35,7 +35,7 @@
         'Intended Audience :: Science/Research',
         'License :: OSI Approved :: Apache Software License',
         'Natural Language :: English',
-        'Programming Language :: Python:: 3.7',
+        'Programming Language :: Python :: 3.7',
         'Programming Language :: Python :: 3.8',
     ],
     install_requires=[