diff --git a/pkgs/development/python-modules/openapi-core/default.nix b/pkgs/development/python-modules/openapi-core/default.nix
index 4d20420e3da9..49191376d940 100644
--- a/pkgs/development/python-modules/openapi-core/default.nix
+++ b/pkgs/development/python-modules/openapi-core/default.nix
@@ -21,7 +21,6 @@
   pytest-aiohttp,
   pytest-cov-stub,
   pytestCheckHook,
-  pythonOlder,
   responses,
   requests,
   starlette,
@@ -31,20 +30,22 @@
 
 buildPythonPackage rec {
   pname = "openapi-core";
-  version = "0.19.4";
+  version = "0.19.5";
   pyproject = true;
 
-  disabled = pythonOlder "3.8";
-
   src = fetchFromGitHub {
     owner = "p1c2u";
     repo = "openapi-core";
     tag = version;
-    hash = "sha256-JvWusDokov8G0UO9oOkGicAI7wYZTnNywbvKMZKQWiQ=";
+    hash = "sha256-Q7Z6bq8TztNm2QLL7g23rOGnXVfiTDjquHAhcSWYlC4=";
   };
 
   build-system = [ poetry-core ];
 
+  pythonRelaxDeps = [
+    "werkzeug"
+  ];
+
   dependencies = [
     isodate
     more-itertools