diff --git a/requirements.txt b/requirements.txt
index 092e1c8..b643b99 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ pluggy==0.13.0
 ply==3.11
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-psutil==5.6.5
+psutil==5.6.6
 ptyprocess==0.6.0
 py==1.8.0
 pycodestyle==2.5.0