diff --git a/requirements-light.txt b/requirements-light.txt
index f2481d4..8bfedaa 100644
--- a/requirements-light.txt
+++ b/requirements-light.txt
@@ -18,3 +18,4 @@ scipy<1.14.0
 scikit-learn==1.4.2
 pycaret==3.3.2
 joblib
+pynacl==1.5.0