diff --git a/requirements.txt b/requirements.txt
index 40a5160..c5b42fa 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -37,7 +37,7 @@ Pillow==6.1.0
 pluggy==0.12.0
 prompt-toolkit==2.0.9
 protobuf==3.9.1
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 py==1.8.0
 pyglet==1.3.2