diff --git a/requirements.txt b/requirements.txt
index f0e7bc850..22cb5450f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -120,7 +120,7 @@ pinax-theme-bootstrap==8.0.1
 poster==0.8.1
 pluggy==0.6.0
 proj==0.1.0
-psutil==5.4.3
+psutil==5.6.6
 psycopg2==2.7.3.1
 py==1.5.2
 pycsw==2.0.3