diff --git a/sfguide-cohort-builder/requirements.txt b/sfguide-cohort-builder/requirements.txt
index 58ec693..002b50a 100644
--- a/sfguide-cohort-builder/requirements.txt
+++ b/sfguide-cohort-builder/requirements.txt
@@ -60,7 +60,7 @@ pandas==2.2.2
 pandocfilters==1.5.1
 parso==0.8.4
 pexpect==4.9.0
-pillow==10.4.0
+pillow==12.1.1
 platformdirs==4.2.2
 prometheus_client==0.20.0
 prompt_toolkit==3.0.47