diff --git a/requirements.txt b/requirements.txt
index d3ab5e2..f45ecce 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -21,7 +21,7 @@ iso8601==0.1.12
 JSON-log-formatter==0.2.0
 mock==3.0.5
 nltk==3.2.5
-psutil==5.6.2
+psutil==5.6.6
 psycopg2==2.7.3.2
 python-dateutil==2.6.0
 pytz==2017.2