diff --git a/requirements.txt b/requirements.txt
index 1e06e0b8..6ea94561 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -35,7 +35,7 @@ pickleshare==0.7.5
 plotly==4.2.1
 pluggy==0.13.0
 prompt-toolkit==2.0.10
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 py==1.8.0
 Pygments==2.4.2