diff --git a/ocr-service/requirements.txt b/ocr-service/requirements.txt
index 49bd00e9..d0d141bc 100644
--- a/ocr-service/requirements.txt
+++ b/ocr-service/requirements.txt
@@ -1,6 +1,6 @@
 fastapi[standard]==0.115.6
 surya-ocr==0.6.3
 kraken==5.2.9
-pillow==11.1.0
+pillow>=10.2.0,<11.0.0
 pypdfium2==4.30.0
 httpx==0.28.1