diff --git a/requirements.txt b/requirements.txt
index 9649d1b..e333b40 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ itsdangerous==0.24
 Jinja2==2.10
 limits==1.3
 MarkupSafe==1.0
-psutil==5.4.2
+psutil==5.6.6
 python-dateutil==2.6.1
 pytz==2017.3
 requests==2.18.4