diff --git a/pyproject.toml b/pyproject.toml
index c7a1cdf17..2d1b0a734 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "langgraph"
-version = "0.0.19"
+version = "0.0.21"
 description = "langgraph"
 authors = []
 license = "LangGraph License"