diff --git a/pkgs/development/python-modules/markdown-it-py/default.nix b/pkgs/development/python-modules/markdown-it-py/default.nix
index 38d92159f3b2..3330817fb8a4 100644
--- a/pkgs/development/python-modules/markdown-it-py/default.nix
+++ b/pkgs/development/python-modules/markdown-it-py/default.nix
@@ -19,6 +19,7 @@
 , stdenv
 , pytest-regressions
 , pytestCheckHook
+, pythonRelaxDepsHook
 , pythonOlder
 }:
 
@@ -36,7 +37,13 @@ buildPythonPackage rec {
     hash = "sha256-qdRU1BxczFDGoIEtl0ZMkKNn4p5tec8YuPt5ZwX5fYM=";
   };
 
+  # fix downstrem usage of markdown-it-py[linkify]
+  pythonRelaxDeps = [
+    "linkify-it-py"
+  ];
+
   nativeBuildInputs = [
+    pythonRelaxDepsHook
     flit-core
   ];