diff --git a/requirements.txt b/requirements.txt
index c1140e7..abb8508 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -11,7 +11,7 @@ Jinja2==2.7.3
 MarkupSafe==0.23
 nwdiag==1.0.4
 pbkdf2==1.3
-Pillow==3.0.0
+Pillow==9.3.0
 pycrypto==2.6.1
 Pygments==2.0.2
 pytz==2015.7