diff --git a/pkgs/development/python-modules/aresponses/default.nix b/pkgs/development/python-modules/aresponses/default.nix
index c790f480410..56093192d6c 100644
--- a/pkgs/development/python-modules/aresponses/default.nix
+++ b/pkgs/development/python-modules/aresponses/default.nix
@@ -6,12 +6,15 @@
 # buildInputs
 , pytest
 , pytest-asyncio
+, isPy3k
 }:
 
 buildPythonPackage rec {
   pname = "aresponses";
   version = "2.0.0";
 
+  disabled = !isPy3k;
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "58693a6b715edfa830a20903ee1d1b2a791251923f311b3bebf113e8ff07bb35";