diff --git a/tools/wptrunner/requirements.txt b/tools/wptrunner/requirements.txt
index 3890ee225def25..02de34716638ad 100644
--- a/tools/wptrunner/requirements.txt
+++ b/tools/wptrunner/requirements.txt
@@ -5,7 +5,7 @@ mozlog==8.0.0
 mozprocess==1.4.0
 packaging==25.0
 pillow==10.4.0; python_version < '3.9'
-pillow==11.3.0; python_version >= '3.9'
+pillow==12.1.0; python_version >= '3.9'
 requests==2.32.3
 types-requests==2.32.0.20241016
 urllib3==2.2.2