diff --git a/pyproject.toml b/pyproject.toml
index 8bb6786..9ba18e5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -32,7 +32,7 @@ tests = [
     "coverage==7.5.0",
     "pytest>=3.5.0",
     "pytest-cov==6.0.0",
-    "numpy<2.2",
+    "numpy<2.3",
 ]
 docs = [
     "pydata-sphinx-theme==0.16.1",