diff --git a/requirements-opt.txt b/requirements-opt.txt
index 9ae13a9981..2e881d5365 100644
--- a/requirements-opt.txt
+++ b/requirements-opt.txt
@@ -18,7 +18,7 @@ pycurl==7.19.5.1
 # checks.d/gunicorn.py
 # checks.d/btrfs.py
 # checks.d/system_core.py
-psutil==3.3.0
+psutil==5.6.6
 
 # checks.d/snmp.py
 # Require a compiler because pycrypto is a dep