From 42cf395197fb366cebab12edd0c55689ecf4a58b Mon Sep 17 00:00:00 2001
From: Stijn de Gooijer <stijndegooijer@gmail.com>
Date: Wed, 4 Sep 2024 12:52:15 +0200
Subject: [PATCH] ci: Temporarily pin NumPy in CI to address dependency
 resolving issue (#18544)

---
 py-polars/requirements-dev.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/py-polars/requirements-dev.txt b/py-polars/requirements-dev.txt
index af96cf2bbe02..720bc56fa6e5 100644
--- a/py-polars/requirements-dev.txt
+++ b/py-polars/requirements-dev.txt
@@ -16,7 +16,9 @@ pip
 # ------------
 
 # Interop
-numpy
+# TODO: Unpin NumPy when issue has been resolved.
+# https://github.com/pola-rs/polars/issues/18543
+numpy < 2.1
 numba; python_version < '3.13'  # Numba can lag Python releases
 pandas
 pyarrow