diff --git a/pkgs/development/python-modules/exdown/default.nix b/pkgs/development/python-modules/exdown/default.nix
index 17cab3fe55fb..44d151172844 100644
--- a/pkgs/development/python-modules/exdown/default.nix
+++ b/pkgs/development/python-modules/exdown/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, pythonOlder
+{ lib, buildPythonPackage, isPy27, fetchPypi, pythonOlder
 , importlib-metadata }:
 
 buildPythonPackage rec {
@@ -6,6 +6,8 @@ buildPythonPackage rec {
   version = "0.7.1";
   format = "pyproject";
 
+  disabled = isPy27;
+
   src = fetchPypi {
     inherit pname version;
     sha256 = "sha256-vnSso3vmPIjX7JX+NwoxguwqwPHocJACeh5H0ClPcUI=";