diff --git a/pkgs/development/python-modules/atom/default.nix b/pkgs/development/python-modules/atom/default.nix
index a100cf178268..91c14756f482 100644
--- a/pkgs/development/python-modules/atom/default.nix
+++ b/pkgs/development/python-modules/atom/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, future }:
+{ lib, buildPythonPackage, fetchPypi, future, cppy }:
 
 buildPythonPackage rec {
   pname = "atom";
@@ -9,6 +9,7 @@ buildPythonPackage rec {
     sha256 = "ce0c600e4b26b7553c926b3b8253df7ae19bbf2678bdc2d46eb29b5f9149f172";
   };
 
+  buildInputs = [ cppy ];
   propagatedBuildInputs = [ future ];
 
   # Tests not released to pypi