diff --git a/requirements.txt b/requirements.txt
index 45f6480..880db56 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,7 +15,7 @@ openai==1.52.0
 tiktoken==0.8.0
 langchain==0.3.1
 langchain-community==0.3.1
-langchain-core==0.3.40
+langchain-core==0.3.80
 transformers[torch]==4.48.0
 
 # Azure SDKs