diff --git a/pyproject.toml b/pyproject.toml
index 704ddf28..f82956c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langserve"
-version = "0.0.42"
+version = "0.0.43"
 description = ""
 readme = "README.md"
 authors = ["LangChain"]