diff --git a/pkgs/development/python-modules/coapthon3/default.nix b/pkgs/development/python-modules/coapthon3/default.nix
index 1e519f074c2c..6f22e8e9f296 100644
--- a/pkgs/development/python-modules/coapthon3/default.nix
+++ b/pkgs/development/python-modules/coapthon3/default.nix
@@ -1,8 +1,9 @@
-{ buildPythonPackage, cachetools, fetchFromGitHub, lib }:
+{ buildPythonPackage, cachetools, fetchFromGitHub, isPy27, lib }:
 
 buildPythonPackage rec {
   pname = "CoAPthon3";
   version = "1.0.1";
+  disabled = isPy27;
 
   src = fetchFromGitHub {
     owner = "Tanganelli";