diff --git a/setup.py b/setup.py
index 41badcd..9ea834c 100644
--- a/setup.py
+++ b/setup.py
@@ -74,7 +74,7 @@
         'setuptools_scm_git_archive',
         ],
     install_requires = [
-        'pyocd>=0.30.0'
+        'pyocd>=0.30.0',
         'pypemicro==0.1.6',
         ],
     entry_points={