diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 85cce76b..a9cbfeb2
--- a/requirements.txt
+++ b/requirements.txt
@@ -17,7 +17,7 @@ jcconv==0.2.3
 lxml==3.3.5
 mock==1.0.1
 passlib==1.6.2
-psutil==2.1.1
+psutil==5.6.6
 psycogreen==1.0
 psycopg2==2.7.1
 pyPdf==1.13