diff --git a/requirements.txt b/requirements.txt
index 8a7ba1a..4ea4797 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -49,7 +49,7 @@ pickleshare==0.7.4
 pika==0.10.0
 Pillow==3.1.0rc1
 prompt-toolkit==1.0.14
-psutil==4.3.0
+psutil==5.6.6
 psycopg2==2.6.1
 ptyprocess==0.5.1
 pycsw==2.1.dev20161019