diff --git a/requirements.txt b/requirements.txt
index d24cf676..82bafdac 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -12,7 +12,7 @@ Jinja2==2.9.6
 Markdown==2.6.9
 MarkupSafe==1.0
 olefile==0.44
-Pillow==4.2.1
+Pillow==9.3.0
 psycopg2==2.7.3.1
 Pygments==2.2.0
 pytz==2017.2