From 985b741510bf526095a6b6afc94d968054932f77 Mon Sep 17 00:00:00 2001
From: Simon Sailer <simon.sailer@mpi-hd.mpg.de>
Date: Mon, 8 Dec 2025 14:25:37 +0100
Subject: [PATCH] Fix cython version to 3.1 as 3.2 introduces a regression.

---
 pyproject.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pyproject.toml b/pyproject.toml
index 4545c9d..c28dbac 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ build-backend = "mesonpy"
 requires = [
   "meson-python",
   "meson >= 1.3.0",
-  "Cython >= 3.0",
+  "Cython ~= 3.1.8",
   "numpy >= 2.0.0rc1",
   "GitPython",
 ]