diff --git a/pkgs/development/python-modules/rmscene/default.nix b/pkgs/development/python-modules/rmscene/default.nix
index 9e6bba74d05b..a7eb4d2c632c 100644
--- a/pkgs/development/python-modules/rmscene/default.nix
+++ b/pkgs/development/python-modules/rmscene/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , pythonOlder
+, pythonRelaxDepsHook
 , fetchFromGitHub
 , poetry-core
 , packaging
@@ -24,6 +25,11 @@ buildPythonPackage rec {
 
   nativeBuildInputs = [
     poetry-core
+    pythonRelaxDepsHook
+  ];
+
+  pythonRelaxDeps = [
+    "packaging"
   ];
 
   propagatedBuildInputs = [