diff --git a/pkgs/tools/networking/swagger-codegen3/default.nix b/pkgs/tools/networking/swagger-codegen3/default.nix
index daa68695c0cf..128ef836d5ff 100644
--- a/pkgs/tools/networking/swagger-codegen3/default.nix
+++ b/pkgs/tools/networking/swagger-codegen3/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, jre, makeWrapper }:
+{ lib, stdenv, fetchurl, jre, makeWrapper, testers, swagger-codegen3 }:
 
 stdenv.mkDerivation rec {
   version = "3.0.50";
@@ -24,6 +24,11 @@ stdenv.mkDerivation rec {
       --add-flags "-jar $out/share/java/${jarfilename}"
   '';
 
+  passthru.tests.version = testers.testVersion {
+    package = swagger-codegen3;
+    command = "swagger-codegen3 version";
+  };
+
   meta = with lib; {
     description = "Allows generation of API client libraries (SDK generation), server stubs and documentation automatically given an OpenAPI Spec";
     homepage = "https://github.com/swagger-api/swagger-codegen/tree/3.0.0";