diff --git a/chapter4/requirements.txt b/chapter4/requirements.txt
index 4be3f55..b781a23 100644
--- a/chapter4/requirements.txt
+++ b/chapter4/requirements.txt
@@ -7,5 +7,5 @@ langchain-tavily==0.2.11
 python_dotenv==1.1.1
 langchain-mcp-adapters==0.1.9
 uv==0.8.14
-streamlit==1.49.1
+streamlit==1.54.0
 langchain-community==0.3.29