diff --git a/authbridge/requirements.txt b/authbridge/requirements.txt
index e736f3b1..ff0b1c15 100644
--- a/authbridge/requirements.txt
+++ b/authbridge/requirements.txt
@@ -2,7 +2,7 @@ python-keycloak>=7.1.1,<8
 PyYAML>=6.0.3
 
 langgraph==1.2.5
-langchain-core==1.4.8
+langchain-core==1.4.9
 langchain-openai==1.3.4
 pydantic==2.13.4