diff --git a/pyproject.toml b/pyproject.toml
index e0561fe5..ef05ff0d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -20,6 +20,7 @@ dependencies = [
     "colorama>=0.4.6",
     "numpy>=1.25; python_version<'3.13'",
     "numpy>=2.1.3; python_version>='3.13'",
+    "packaging>=20.0",
     "scikit-learn>=1.0.0",
     "scipy>=1.0.0; python_version<'3.13'",
     "scipy>=1.14.1; python_version>='3.13'",