diff --git a/requirements.txt b/requirements.txt
index 0b5eaa7..4c89bd8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ pefile==2017.11.5
 pep8==1.7.1
 pluggy==0.6.0
 port-for==0.3.1
-psutil==5.4.3
+psutil==5.6.6
 py==1.5.2
 pycodestyle==2.3.1
 Pygments==2.2.0