diff --git a/requirements.txt b/requirements.txt
index 786b6e4..32d8ae0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -46,7 +46,7 @@ pexpect==4.7.0
 pickleshare==0.7.5
 pipreqs==0.4.9
 prompt-toolkit==2.0.9
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 pyahocorasick==1.4.0
 pycodestyle==2.5.0