diff --git a/pyproject.toml b/pyproject.toml
index 0a067ed..43e480f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -10,7 +10,7 @@ package-dir = {"" = "src"}
 name = "AMBER-ds4ms"
 version = "0.0.4"
 dependencies = [
-  "numpy>=2",
+  "numpy>=1.14",
   "scipy>=1.7",
   "torch>=2",
   "matplotlib>=3.4",