diff --git a/setup.py b/setup.py
index e56310a..2e96d80 100644
--- a/setup.py
+++ b/setup.py
@@ -51,7 +51,7 @@ setup(
     ],
     extras_require=extras,
     install_requires=[
-        'gymnasium>=0.26.0'
+        'gymnasium>=0.26.0',
         'mp_pytorch<=0.1.3'
     ],
     packages=[package for package in find_packages(