diff --git a/requirements.txt b/requirements.txt
index 75ad27c..192a598 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -3,7 +3,7 @@ matplotlib==3.1.1
 numpy>=1.16.4
 opentracing==2.2.0
 protobuf==3.18.3
-psutil==5.6.3
+psutil==5.6.6
 pytest==5.0.1
 requests==2.22.0
 urllib3==1.26.5