diff --git a/tools/requirements.txt b/tools/requirements.txt
index 15cda3d3..810ad1be 100644
--- a/tools/requirements.txt
+++ b/tools/requirements.txt
@@ -41,7 +41,7 @@ pyswarms==1.3.0
 future==1.0.0
 tqdm==4.67.1
 plotly==6.2.0
-narwhals<=1.48.0
+narwhals<=2.18.1
 optuna==4.6.0
 alembic==1.16.4
 colorlog==6.10.1