diff --git a/pyproject.toml b/pyproject.toml
index 65a4b469..9d170980 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -81,7 +81,7 @@ docs = [
 ]
 tests = [
   "numpy==2.2.1 ; sys_platform == 'linux' and python_version == '3.13'",
-  "pillow==11.0.0 ; sys_platform == 'linux' and python_version == '3.13'",
+  "pillow==11.1.0 ; sys_platform == 'linux' and python_version == '3.13'",
   "pytest==8.3.4",
   "pytest-cov==6.0.0",
   "pytest-rerunfailures==15.0",