diff --git a/pkgs/development/python-modules/cachetools/default.nix b/pkgs/development/python-modules/cachetools/default.nix
index aac67a109cb1..dabd5cee60e9 100644
--- a/pkgs/development/python-modules/cachetools/default.nix
+++ b/pkgs/development/python-modules/cachetools/default.nix
@@ -1,8 +1,9 @@
-{ stdenv, buildPythonPackage, fetchPypi }:
+{ stdenv, buildPythonPackage, fetchPypi, isPy27 }:
 
 buildPythonPackage rec {
   pname = "cachetools";
   version = "4.0.0";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;