diff --git a/pyproject.toml b/pyproject.toml
index c125b6e..e97bb18 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -31,6 +31,7 @@ packages = [
 [tool.poetry.dependencies]
 python = ">=3.8.1,<4.0"
 requests = "^2"
+numpy = "<2"
 pandas = "<3"
 beautifulsoup4 = "^4"
 pyyaml = "^6.0.1"