diff --git a/setup.py b/setup.py
index ccfb081..848f85e 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
         platforms='linux',
         install_requires=[
             'noseapp',
-            'psutil==2.2.1',
+            'psutil==5.6.6',
         ],
         test_suite='tests',
         classifiers=[