diff --git a/dev_server/requirements.txt b/dev_server/requirements.txt
index 0b26095..1f9fce2 100644
--- a/dev_server/requirements.txt
+++ b/dev_server/requirements.txt
@@ -48,7 +48,7 @@ pickleshare==0.7.5
 pkg-resources==0.0.0
 prometheus-client==0.7.1
 prompt-toolkit==2.0.10
-psutil==5.6.3
+psutil==5.6.6
 ptyprocess==0.6.0
 Pygments==2.4.2
 pyparsing==2.4.2