diff --git a/requirements.txt b/requirements.txt
index 24449c4..9b9ab2b 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -136,7 +136,7 @@ pluggy==0.11.0
 ply==3.11
 prometheus-client==0.7.1
 prompt-toolkit==1.0.15
-psutil==5.4.7
+psutil==5.6.6
 py==1.6.0
 pycodestyle==2.4.0
 pycosat==0.6.3