diff --git a/pkgs/development/python-modules/jupyter_core/default.nix b/pkgs/development/python-modules/jupyter_core/default.nix
index cff5dc194aa4..cdd0485b6843 100644
--- a/pkgs/development/python-modules/jupyter_core/default.nix
+++ b/pkgs/development/python-modules/jupyter_core/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, isPy3k
 , ipython
 , traitlets
 , glibcLocales
@@ -12,6 +13,7 @@
 buildPythonPackage rec {
   pname = "jupyter_core";
   version = "4.7.1";
+  disabled = !isPy3k;
 
   src = fetchPypi {
     inherit pname version;