diff --git a/pkgs/development/python-modules/docling-serve/default.nix b/pkgs/development/python-modules/docling-serve/default.nix
index 2867fb5c319a..6ba0ee914484 100644
--- a/pkgs/development/python-modules/docling-serve/default.nix
+++ b/pkgs/development/python-modules/docling-serve/default.nix
@@ -32,14 +32,14 @@
 
 buildPythonPackage rec {
   pname = "docling-serve";
-  version = "1.1.0";
+  version = "1.5.1";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "docling-project";
     repo = "docling-serve";
     tag = "v${version}";
-    hash = "sha256-A8q1mjrtm8VgwsOpBCVD61K88wrjsYHiWdbv0XvACG4=";
+    hash = "sha256-JUHXrvsZBF/WHxsMT1xkPzpuX483RxF3ZlO+/NUMZ/8=";
   };
 
   build-system = [