diff --git a/nix/requirements_frozen.txt b/nix/requirements_frozen.txt
index 04273da..6a00337 100644
--- a/nix/requirements_frozen.txt
+++ b/nix/requirements_frozen.txt
@@ -12,7 +12,7 @@ django-simple-captcha==0.5.12
 libsass==0.19.4
 Markdown==2.6.11
 packaging==19.2
-Pillow==6.2.1
+Pillow==9.3.0
 psycopg2==2.8.4
 pyparsing==2.4.5
 pytz==2019.3