diff --git a/requirements.txt b/requirements.txt
index 2ae20a71..4990f51f 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -9,7 +9,7 @@ Jinja2==2.8
 MarkupSafe==0.23
 MySQL-python==1.2.5
 PAM==0.4.2
-Pillow==2.3.0
+Pillow==9.0.1
 Pygments==2.1.1
 Sphinx==1.3.5
 Twisted-Core==13.2.0