diff --git a/libs/langchain/pyproject.toml b/libs/langchain/pyproject.toml
index 9b1857668b0..0c06fd26a4d 100644
--- a/libs/langchain/pyproject.toml
+++ b/libs/langchain/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langchain"
-version = "0.0.331"
+version = "0.0.331rc0"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"