diff --git a/requirements.txt b/requirements.txt
index a5ba803..d31a477 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ matplotlib==3.1.1
 numpy==1.16.4
 promise==2.2.1
 protobuf==3.8.0
-psutil==5.6.3
+psutil==5.6.6
 pyparsing==2.4.0
 python-dateutil==2.8.0
 requests==2.22.0