diff --git a/pkgs/development/python-modules/bcrypt/default.nix b/pkgs/development/python-modules/bcrypt/default.nix
index 46771906d7cc..46569d5dedf5 100644
--- a/pkgs/development/python-modules/bcrypt/default.nix
+++ b/pkgs/development/python-modules/bcrypt/default.nix
@@ -8,6 +8,12 @@
 , pythonOlder
 , cffi
 , pytestCheckHook
+  # for passthru.tests
+, asyncssh
+, django_4
+, fastapi
+, paramiko
+, twisted
 }:
 
 buildPythonPackage rec {
@@ -55,6 +61,10 @@ buildPythonPackage rec {
     "bcrypt"
   ];
 
+  passthru.tests = {
+    inherit asyncssh django_4 fastapi paramiko twisted;
+  };
+
   meta = with lib; {
     description = "Modern password hashing for your software and your servers";
     homepage = "https://github.com/pyca/bcrypt/";