diff --git a/pkgs/development/python-modules/numcodecs/default.nix b/pkgs/development/python-modules/numcodecs/default.nix
index a28a951b32f..3857e80bbd3 100644
--- a/pkgs/development/python-modules/numcodecs/default.nix
+++ b/pkgs/development/python-modules/numcodecs/default.nix
@@ -1,6 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchPypi
+, isPy27
 , setuptools_scm
 , cython
 , numpy
@@ -13,6 +14,7 @@
 buildPythonPackage rec {
   pname = "numcodecs";
   version = "0.7.2";
+  disabled = isPy27;
 
   src = fetchPypi {
     inherit pname version;