diff --git a/pkgs/development/python-modules/openapi-spec-validator/default.nix b/pkgs/development/python-modules/openapi-spec-validator/default.nix
index 4e61a86a5013..3bd5c4e8916d 100644
--- a/pkgs/development/python-modules/openapi-spec-validator/default.nix
+++ b/pkgs/development/python-modules/openapi-spec-validator/default.nix
@@ -4,11 +4,11 @@
 
 buildPythonPackage rec {
   pname = "openapi-spec-validator";
-  version = "0.3.1";
+  version = "0.4.0";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "3d70e6592754799f7e77a45b98c6a91706bdd309a425169d17d8e92173e198a2";
+    sha256 = "sha256-l/JYhQr8l7BI98JlOFXg+I+masEDwr5Qd8eWCsoq1Jo=";
   };
 
   propagatedBuildInputs = [ jsonschema openapi-schema-validator pyyaml six setuptools ]