diff --git a/requirements-dev.txt b/requirements-dev.txt
index c39e556ab..3b7410c85 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -44,7 +44,7 @@ opt-einsum==3.4.0 ; python_version >= "3.11" and python_version < "3.15"
 packaging==26.0 ; python_version >= "3.11" and python_version < "3.15"
 pandas==3.0.0 ; python_version >= "3.11" and python_version < "3.15"
 parameterized==0.9.0 ; python_version >= "3.11" and python_version < "3.15"
-pillow==12.1.0 ; python_version >= "3.11" and python_version < "3.15"
+pillow==12.1.1 ; python_version >= "3.11" and python_version < "3.15"
 platformdirs==4.5.1 ; python_version >= "3.11" and python_version < "3.15"
 pluggy==1.6.0 ; python_version >= "3.11" and python_version < "3.15"
 pooch==1.9.0 ; python_version >= "3.11" and python_version < "3.15"
diff --git a/requirements.txt b/requirements.txt
index 62031e81d..496b83b23 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ mpmath==1.3.0 ; python_version >= "3.11" and python_version < "3.15"
 numpy==2.4.2 ; python_version >= "3.11" and python_version < "3.15"
 packaging==26.0 ; python_version >= "3.11" and python_version < "3.15"
 pandas==3.0.0 ; python_version >= "3.11" and python_version < "3.15"
-pillow==12.1.0 ; python_version >= "3.11" and python_version < "3.15"
+pillow==12.1.1 ; python_version >= "3.11" and python_version < "3.15"
 platformdirs==4.5.1 ; python_version >= "3.11" and python_version < "3.15"
 pooch==1.9.0 ; python_version >= "3.11" and python_version < "3.15"
 pyerfa==2.0.1.5 ; python_version >= "3.11" and python_version < "3.15"