diff --git a/scripts/requirements-images.txt b/scripts/requirements-images.txt
index 867f428..74ef178 100644
--- a/scripts/requirements-images.txt
+++ b/scripts/requirements-images.txt
@@ -1,3 +1,3 @@
 # Only gen_cover_image.py needs Pillow. Kept out of requirements.txt so the
 # hourly scheduler workflow does not pay for a wheel it never imports.
-Pillow==12.3.0
+Pillow==13.0.0