diff --git a/requirements-dev.txt b/requirements-dev.txt
index a7a11b5..173baed 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -3,4 +3,4 @@ pytest-cov==7.1.0
 ruff==0.15.16
 mypy==2.1.0
 types-jsonschema==4.26.0.20260518
-Pillow==12.2.0
+Pillow==12.3.0