diff --git a/requirements.txt b/requirements.txt
index 9235b55..f41c7e5 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -19,7 +19,7 @@ markdown2==2.3.4
 MarkupSafe==1.0
 olefile==0.44
 param==1.5.1
-Pillow==4.1.1
+Pillow==9.0.1
 psycopg2==2.7.1
 Pygments==2.2.0
 PyJWT==1.5.2