diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index e1099c32a..cb4d330ae
--- a/requirements.txt
+++ b/requirements.txt
@@ -121,7 +121,7 @@ pinax-theme-bootstrap==8.0.1
 poster==0.8.1
 pluggy==0.6.0
 proj==0.1.0
-psutil==5.4.3
+psutil==5.6.6
 psycopg2==2.7.3.1
 py==1.5.2
 pycsw==2.0.3
diff --git a/requirements1.txt b/requirements1.txt
old mode 100755
new mode 100644
index 6665a97d2..8390ce020
--- a/requirements1.txt
+++ b/requirements1.txt
@@ -120,7 +120,7 @@ pinax-theme-bootstrap==8.0.1
 poster==0.8.1
 pluggy==0.6.0
 proj==0.1.0
-psutil==5.4.3
+psutil==5.6.6
 psycopg2==2.7.3.1
 py==1.5.2
 pycsw==2.0.3