diff --git a/requirements.txt b/requirements.txt
index 2b33415..8b51293 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -41,7 +41,7 @@ jsonschema==4.26.0
 jsonschema-specifications==2025.9.1
 kubernetes==35.0.0
 langchain==1.2.10
-langchain-core==1.2.17
+langchain-core==1.3.3
 langgraph==1.0.10
 langgraph-checkpoint==4.0.1
 langgraph-prebuilt==1.0.8