diff --git a/requirements.txt b/requirements.txt
index 98cf4a8..9ca513e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ pep517==0.5.0
 pexpect==4.7.0
 Pillow==6.2.0
 progress==1.5
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 pycairo==1.18.1
 pycodestyle==2.5.0