diff --git a/setup.py b/setup.py
index 819d1b9b7158782c207f2f390c51546083ae2fbf..cac092170d2f73d37d656cf7e94031e81e8716c4 100644
--- a/setup.py
+++ b/setup.py
@@ -259,6 +259,7 @@ setup(
         "seaborn",
         "py_rinterpolate",
         "setproctitle",
+        "psutil"
     ],
     include_package_data=True,
     ext_modules=[BINARY_C_PYTHON_API_MODULE],  # binary_c must be loaded