diff --git a/backend/requirements.txt b/backend/requirements.txt
index 03eeba2a1eb..3f86534ba43 100644
--- a/backend/requirements.txt
+++ b/backend/requirements.txt
@@ -89,7 +89,7 @@ sentencepiece
 soundfile==0.13.1
 azure-ai-documentintelligence==1.0.2
 
-pillow==11.3.0
+pillow==12.1.1
 opencv-python-headless==4.11.0.86
 rapidocr-onnxruntime==1.4.4
 rank-bm25==0.2.2