diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 3b2adbe..2c07b4e
--- a/requirements.txt
+++ b/requirements.txt
@@ -62,7 +62,7 @@ pbr==4.0.4
 pdfkit==0.6.1
 pep8==1.7.1
 Pillow==3.0.0
-psutil==5.2.0
+psutil==5.6.6
 py-zabbix==0.6.1
 pyasn1==0.4.3
 pycodestyle==2.4.0