diff --git a/requirements.txt b/requirements.txt
index 1128e435..492d883e 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,6 +2,7 @@
 optuna>=2.4
 bottle
 scikit-learn
+streamlit
 typing-extensions;python_version<"3.8"
 
 # lint