diff --git a/pyproject.toml b/pyproject.toml
index b4ceb345..713e2180 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -38,7 +38,7 @@ drf-jwt = "^1.19.2"
 drf-spectacular = "^0.28.0"
 gunicorn = "^23.0.0"
 ipython = "^9.0.0"
-langchain = "^0.3.13"
+langchain = "^1.0.0"
 langchain-community = "^0.3.16"
 langchain-core = "^0.3.31"
 langchain-litellm = "^0.3.0"