diff --git a/pyproject.toml b/pyproject.toml
index 2237ecf..08e4126 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ dependencies = [
 
     # llm utils
     "hydra-core==1.3.2",
-    "langchain==0.1.4",
+    "langchain==0.3.7",
     "langchain-openai==0.0.5",
     "openai==1.10.0",
     "pydantic==1.10.17",