diff --git a/pkgs/development/python-modules/pytest-relaxed/default.nix b/pkgs/development/python-modules/pytest-relaxed/default.nix
index 1030f76050c..13838eb326c 100644
--- a/pkgs/development/python-modules/pytest-relaxed/default.nix
+++ b/pkgs/development/python-modules/pytest-relaxed/default.nix
@@ -38,5 +38,7 @@ buildPythonPackage rec {
     description = "Relaxed test discovery/organization for pytest";
     license = licenses.bsd0;
     maintainers = [ maintainers.costrouc ];
+    # see https://github.com/bitprophet/pytest-relaxed/issues/12
+    broken = true;
   };
 }