diff --git a/requirements.txt b/requirements.txt
index 5b1efed..b53999d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -47,7 +47,7 @@ picraft==1.0
 pifacecommon==4.2.1
 pifacedigitalio==3.1.0
 pigpio==1.30
-psutil==5.2.2
+psutil==5.6.6
 pushbullet==0.1
 py==1.4.32
 pyOpenSSL==0.13.1