diff --git a/pyproject.toml b/pyproject.toml
index d8283185..3f1fd092 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ classifiers = [
 dependencies = [
     "pandas",
     "pyyaml",
-    "numpy==2.0.1",
+    "numpy<=2.0.1",
     "statsmodels",
     "webcolors",
     "matplotlib",