diff --git a/requirements.txt b/requirements.txt
old mode 100755
new mode 100644
index f1645cb..262b4b2
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Flask-WTF==0.10.2
 Jinja2==2.7.3
 Mako==1.0.0
 MarkupSafe==0.23
-Pillow==2.5.3
+Pillow==8.3.2
 SQLAlchemy==0.9.7
 WTForms==2.0.1
 Werkzeug==0.9.6