diff --git a/pkgs/development/python-modules/python-open-router/default.nix b/pkgs/development/python-modules/python-open-router/default.nix
index 33e360f36d28..95c9c6583240 100644
--- a/pkgs/development/python-modules/python-open-router/default.nix
+++ b/pkgs/development/python-modules/python-open-router/default.nix
@@ -16,14 +16,14 @@
 
 buildPythonPackage rec {
   pname = "python-open-router";
-  version = "0.3.3";
+  version = "0.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "joostlek";
     repo = "python-open-router";
     tag = "v${version}";
-    hash = "sha256-RFKtt8ViTIEBmahY9H9YhSdVSlxaBEPOxRWPST9GoAM=";
+    hash = "sha256-hf8Ay3/xXH262/1R07mN0iQpOlHFhHb6VUZoYQEq8YI=";
   };
 
   build-system = [ poetry-core ];