diff --git a/pkgs/development/python-modules/openapi-spec-validator/default.nix b/pkgs/development/python-modules/openapi-spec-validator/default.nix
index 10d82f26212c..658b97639a83 100644
--- a/pkgs/development/python-modules/openapi-spec-validator/default.nix
+++ b/pkgs/development/python-modules/openapi-spec-validator/default.nix
@@ -19,7 +19,7 @@
 
 buildPythonPackage rec {
   pname = "openapi-spec-validator";
-  version = "0.7.2";
+  version = "0.8.4";
   pyproject = true;
 
   # no tests via pypi sdist
@@ -27,12 +27,16 @@ buildPythonPackage rec {
     owner = "python-openapi";
     repo = "openapi-spec-validator";
     tag = version;
-    hash = "sha256-APEx7+vc824DLmdzLvhfFVrcjPxVwwUwxkh19gjXEvc=";
+    hash = "sha256-KY9mDnF/R2UO8WZ0WyBzpZQsVBxzxnTK6zyqvUb+hVw=";
   };
 
-  nativeBuildInputs = [ poetry-core ];
+  build-system = [ poetry-core ];
 
-  propagatedBuildInputs = [
+  pythonRelaxDeps = [
+    "jsonschema"
+  ];
+
+  dependencies = [
     jsonschema
     jsonschema-path
     lazy-object-proxy