diff --git a/requirements.txt b/requirements.txt
index 24294a6..33ab689 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ numpy==1.13.3
 Pillow==5.1.0
 prettytable==0.7.2
 prompt-toolkit==3.0.3
-psutil==5.4.2
+psutil==5.6.6
 PTable==0.9.2
 pycrypto==2.6.1
 Pygments==2.4.2