diff --git a/pkgs/development/python-modules/openapi-schema-validator/default.nix b/pkgs/development/python-modules/openapi-schema-validator/default.nix
index 9315c122d801..2691be8446f9 100644
--- a/pkgs/development/python-modules/openapi-schema-validator/default.nix
+++ b/pkgs/development/python-modules/openapi-schema-validator/default.nix
@@ -18,7 +18,7 @@
 
 buildPythonPackage rec {
   pname = "openapi-schema-validator";
-  version = "0.6.2";
+  version = "0.6.3";
   format = "pyproject";
 
   disabled = pythonOlder "3.8";
@@ -27,7 +27,7 @@ buildPythonPackage rec {
     owner = "p1c2u";
     repo = pname;
     tag = version;
-    hash = "sha256-CfSlF6DWkYxxVNTNBkr0+KVeKpqxEEqkz4VBenqo+l0=";
+    hash = "sha256-1Y049W4TbqvKZRwnvPVwyLq6CH6NQDrEfJknuMn8dGo=";
   };
 
   postPatch = ''
@@ -54,7 +54,7 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "openapi_schema_validator" ];
 
   meta = with lib; {
-    changelog = "https://github.com/python-openapi/openapi-schema-validator/releases/tag/${version}";
+    changelog = "https://github.com/python-openapi/openapi-schema-validator/releases/tag/${src.tag}";
     description = "Validates OpenAPI schema against the OpenAPI Schema Specification v3.0";
     homepage = "https://github.com/python-openapi/openapi-schema-validator";
     license = licenses.bsd3;