diff --git a/pyproject.toml b/pyproject.toml
index d02b284cd..c2ec04187 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -48,7 +48,7 @@ psycopg2-binary = "^2.9.6"
 pyarrow = "^12.0.0"
 tiktoken = "~0.4.0"
 wikipedia = "^1.4.0"
-langchain-serve = { version = ">0.0.47", optional = true }
+langchain-serve = { version = ">0.0.50", optional = true }
 qdrant-client = "^1.3.0"
 websockets = "^10.3"
 weaviate-client = "^3.21.0"