diff --git a/docling_core/types/doc/document.py b/docling_core/types/doc/document.py
index e47e4a44..0fb08f04 100644
--- a/docling_core/types/doc/document.py
+++ b/docling_core/types/doc/document.py
@@ -1073,7 +1073,7 @@ def _image_to_hexhash(self) -> Optional[str]:
             image_bytes = self.image._pil.tobytes()
 
             # Create a hash object (e.g., SHA-256)
-            hasher = hashlib.sha256()
+            hasher = hashlib.sha256(usedforsecurity=False)
 
             # Feed the image bytes into the hash object
             hasher.update(image_bytes)
diff --git a/docling_core/utils/legacy.py b/docling_core/utils/legacy.py
index 74f91867..1ff424d5 100644
--- a/docling_core/utils/legacy.py
+++ b/docling_core/utils/legacy.py
@@ -47,7 +47,7 @@
 
 
 def _create_hash(string: str):
-    hasher = hashlib.sha256()
+    hasher = hashlib.sha256(usedforsecurity=False)
     hasher.update(string.encode("utf-8"))
 
     return hasher.hexdigest()