diff --git a/packages/langchain/pyproject.toml b/packages/langchain/pyproject.toml
index cffc30a..b744fdc 100644
--- a/packages/langchain/pyproject.toml
+++ b/packages/langchain/pyproject.toml
@@ -113,7 +113,7 @@ asyncio_mode = "auto"
 
 [tool.commitizen]
 name = "cz_customize"
-version = "0.3.0"
+version = "0.4.0"
 tag_format = "${version}-keycardai-langchain"
 ignored_tag_formats = ["${version}-*"]
 update_changelog_on_bump = true