diff --git a/requirements.txt b/requirements.txt
index 17c3af6..28e74cc 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -70,7 +70,7 @@ Pillow==5.4.1
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
 protobuf==3.6.1
-psutil==5.6.1
+psutil==5.6.6
 pycodestyle==2.5.0
 pycparser==2.19
 pyflakes==2.1.1