diff --git a/requirement.txt b/requirement.txt
index 0c9177f..11ec863 100644
--- a/requirement.txt
+++ b/requirement.txt
@@ -135,7 +135,7 @@ pluggy==0.8.0
 ply==3.11
 prometheus-client==0.5.0
 prompt-toolkit==2.0.7
-psutil==5.4.8
+psutil==5.6.6
 ptyprocess==0.6.0
 py==1.7.0
 pycodestyle==2.4.0