diff --git a/pyproject.toml b/pyproject.toml
index c8480e7b2..da9638d5a 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,7 +24,7 @@ classifiers=[
 ]
 keywords=['astronomy','astrophysics', 'planetary', 'n-body',  'integrator', 'symplectic', 'wisdom-holman', 'symba']
 dependencies = [
-    'numpy>=1.26',
+    'numpy>=1.23',
     'scipy>=1.10',
     'xarray>=2023.1',
     'dask>=2023.5',