diff --git a/libs/core/pyproject.toml b/libs/core/pyproject.toml
index 6b770eb277..2e44a1528f 100644
--- a/libs/core/pyproject.toml
+++ b/libs/core/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "langchain-core"
-version = "0.2.28"
+version = "0.2.29rc1"
 description = "Building applications with LLMs through composability"
 authors = []
 license = "MIT"