diff --git a/requirements-optional.txt b/requirements-optional.txt
index 0f25ea22d2..2badd86e82 100644
--- a/requirements-optional.txt
+++ b/requirements-optional.txt
@@ -1,5 +1,5 @@
 matplotlib<3.10.9
-pillow>11,<12.2.1
+pillow>=12.3.0,<12.3.1
 pyrevolve==2.2.7
 scipy<1.15.4
 distributed<2026.6.1