diff --git a/requirements.txt b/requirements.txt
index 007d9b1..8a14f02 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -51,7 +51,7 @@ pkg-resources==0.0.0
 plotly==4.1.1
 prompt-toolkit==2.0.9
 protobuf==3.8.0
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 pydot==1.4.1
 pydot-ng==2.0.0