diff --git a/WebSearch/requirements.txt b/WebSearch/requirements.txt
index 87c62ab..e8acde5 100644
--- a/WebSearch/requirements.txt
+++ b/WebSearch/requirements.txt
@@ -1,6 +1,6 @@
 gradient-adk
 langchain==1.0.0
-langchain-core==1.2.11
+langchain-core==1.2.28
 langchain-community
 langgraph==1.0.0
 langchain-gradient>=0.1.0