diff --git a/h3ronpy/pyproject.toml b/h3ronpy/pyproject.toml
index 737eb41..95aa294 100644
--- a/h3ronpy/pyproject.toml
+++ b/h3ronpy/pyproject.toml
@@ -24,7 +24,10 @@ select = [
 name = "h3ronpy"
 readme = "../README.rst"
 
-dependencies = ["numpy", "arro3-core>=0.4"]
+dependencies = [
+    "numpy>=1.24",
+    "arro3-core>=0.4"
+]
 classifiers = [
     "Programming Language :: Python :: 3",
     "Topic :: Scientific/Engineering :: GIS",