diff --git a/requirements.txt b/requirements.txt
index 18f4aa8..039eec0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -52,7 +52,7 @@ peewee==2.10.2
 pluggy==0.6.0
 plyvel==1.0.4
 prompt-toolkit==1.0.15
-psutil==5.4.3
+psutil==5.6.6
 py==1.5.3
 pycodestyle==2.3.1
 pycparser==2.18