diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index 755a037008..c61a31c893
--- a/requirements.txt
+++ b/requirements.txt
@@ -30,7 +30,7 @@ django-ical==1.4
 django-taggit==0.21.3
 geojson==1.3.3
 unicodecsv==0.14.1
-PyPDF2==1.26.0
+PyPDF2==1.27.5
 django-extra-fields==0.9
 django-crispy-forms==1.7.0
 django-reset-migrations==0.3.1