diff --git a/requirements.txt b/requirements.txt
index e94de46f0..21bc42eb2 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ python-dotenv
 docker
 
 # demo related
-streamlit
+streamlit>=1.47  # to support  input_c.text_area(..., height="content", ...)
 plotly
 st-theme
 randomname