diff --git a/pyproject.toml b/pyproject.toml
index c04f735..07822e9 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -19,7 +19,7 @@ readme = "README.md"
 python = "^3.9"
 regex = ">=2021.4,<2024.0"
 "ruamel.yaml" = {version = ">=0.16.5,<0.19.0", optional = true}
-numpy = "^1.19"
+numpy = ">=1.19,<3.0"
 click = "^8.0"
 rich = ">=10.7,<14.0"
 Pint = ">=0.17,<0.25"