diff --git a/pkgs/development/python-modules/docling-core/default.nix b/pkgs/development/python-modules/docling-core/default.nix
index 1b831fdaa834..c93f6e3cb138 100644
--- a/pkgs/development/python-modules/docling-core/default.nix
+++ b/pkgs/development/python-modules/docling-core/default.nix
@@ -39,6 +39,10 @@ buildPythonPackage rec {
     tabulate
   ];
 
+  pythonRelaxDeps = [
+    "pillow"
+  ];
+
   pythonImportsCheck = [
     "docling_core"
   ];