diff --git a/requirements.txt b/requirements.txt
index e16dcc0..a219bd9 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -32,7 +32,7 @@ olefile==0.44
 packaging==16.8
 pbkdf2==1.3
 pdfkit==0.6.1
-Pillow==4.2.1
+Pillow==8.1.1
 pip-upgrader==1.4.2
 psycopg2==2.7.3
 pycparser==2.18