diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 5f607e1..6e5e971
--- a/requirements.txt
+++ b/requirements.txt
@@ -63,7 +63,7 @@ Pillow==3.1.2
 pkg-resources==0.0.0
 plainbox==0.25
 protobuf==3.6.1
-psutil==3.4.2
+psutil==5.6.6
 ptyprocess==0.5
 pyasn1==0.1.9
 pycups==1.9.73