diff --git a/pkgs/by-name/ba/badkeys/package.nix b/pkgs/by-name/ba/badkeys/package.nix
index 7b9ef6cb21f9..4035dc26541a 100644
--- a/pkgs/by-name/ba/badkeys/package.nix
+++ b/pkgs/by-name/ba/badkeys/package.nix
@@ -1,7 +1,9 @@
 {
   lib,
+  badkeys,
   fetchFromGitHub,
   python3Packages,
+  testers,
 }:
 
 python3Packages.buildPythonApplication rec {
@@ -35,6 +37,10 @@ python3Packages.buildPythonApplication rec {
 
   pythonImportsCheck = [ "badkeys" ];
 
+  passthru = {
+    tests.version = testers.testVersion { package = badkeys; };
+  };
+
   meta = {
     description = "Tool to find common vulnerabilities in cryptographic public keys";
     homepage = "https://badkeys.info/";