diff --git a/setup.py b/setup.py
index d5f9f231..e0d35a04 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,7 @@ def write_version_py(filename='riskfolio/version.py'):
     'arch>=5.4',
     'xlsxwriter>=3.1.2',
     'networkx>=3.0',
-    'astropy>=5.1,
+    'astropy>=5.1',
     'pybind11>=2.10.1',
 ]