diff --git a/requirements.txt b/requirements.txt
index 693c0c3..6460d98 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -118,7 +118,7 @@ pluggy==0.6.0
 ply==3.10
 prompt-toolkit==1.0.15
 protobuf==3.5.2.post1
-psutil==5.4.3
+psutil==5.6.6
 ptyprocess==0.5.2
 py==1.5.2
 pycodestyle==2.3.1