diff --git a/requirements.txt b/requirements.txt
index 2d0bbc8..9a995f9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -20,7 +20,7 @@ mccabe<0.7.0,>=0.6.0
 pep8==1.7.1
 paramiko==2.4.2
 pkginfo==1.5.0.1
-psutil==5.4.7
+psutil==5.6.6
 pyasn1==0.4.4
 pycodestyle<2.6.0,>=2.5.0
 pycparser==2.18