diff --git a/pkgs/development/python-modules/scrapy-deltafetch/default.nix b/pkgs/development/python-modules/scrapy-deltafetch/default.nix
index fa2c1ab63c40..88658dfa2d77 100644
--- a/pkgs/development/python-modules/scrapy-deltafetch/default.nix
+++ b/pkgs/development/python-modules/scrapy-deltafetch/default.nix
@@ -25,6 +25,8 @@ buildPythonPackage rec {
   pythonImportsCheck = [ "scrapy_deltafetch" ];
 
   meta = {
+    # https://github.com/scrapy-plugins/scrapy-deltafetch/pull/50
+    broken = lib.versionAtLeast scrapy.version "2.12";
     description = "Scrapy spider middleware to ignore requests to pages containing items seen in previous crawls";
     homepage = "https://github.com/scrapy-plugins/scrapy-deltafetch";
     license = lib.licenses.bsd3;