diff --git a/pyproject.toml b/pyproject.toml
index 102e606..e626412 100755
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -8,7 +8,7 @@ authors=[{name = 'Maxx Tessmer', email='mhtessmer@gmail.com'},
 keywords=['Spin-label', 'EPR', 'DEER', 'PELDOR', 'Side-chain']
 dynamic = ["version"]
 requires-python = ">= 3.8,<3.13"
-dependencies = ['numpy>=1.23.0',
+dependencies = ['numpy>=1.26.4',
                 'scipy>=1.6.3',
                 'matplotlib>=3.3.4',
                 'numba>=0.55.0',