diff --git a/pkgs/development/python-modules/pycares/default.nix b/pkgs/development/python-modules/pycares/default.nix
index 14345cfafcf3..84a7cbe1ba42 100644
--- a/pkgs/development/python-modules/pycares/default.nix
+++ b/pkgs/development/python-modules/pycares/default.nix
@@ -1,10 +1,12 @@
 { lib
+, aiodns
 , buildPythonPackage
 , c-ares
 , cffi
 , fetchPypi
 , idna
 , pythonOlder
+, tornado
 }:
 
 buildPythonPackage rec {
@@ -35,6 +37,10 @@ buildPythonPackage rec {
   # Requires network access
   doCheck = false;
 
+  passthru.tests = {
+    inherit aiodns tornado;
+  };
+
   pythonImportsCheck = [
     "pycares"
   ];