diff --git a/pkgs/development/python-modules/numpy/1.nix b/pkgs/development/python-modules/numpy/1.nix
index 0d040582c883..9e3b3a60d2e8 100644
--- a/pkgs/development/python-modules/numpy/1.nix
+++ b/pkgs/development/python-modules/numpy/1.nix
@@ -94,6 +94,7 @@ buildPythonPackage rec {
       --replace 'py.full_path()' "'python'"
 
     substituteInPlace pyproject.toml \
+      --replace-fail "Cython>=0.29.34,<3.1" Cython \
       --replace-fail "meson-python>=0.15.0,<0.16.0" "meson-python"
   '';