diff --git a/packages/pynumaflow/pyproject.toml b/packages/pynumaflow/pyproject.toml
index 6872d78c..343e5bc1 100644
--- a/packages/pynumaflow/pyproject.toml
+++ b/packages/pynumaflow/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "pynumaflow"
-version = "0.12.0"
+version = "0.12.1"
 description = "Provides the interfaces of writing Python User Defined Functions and Sinks for NumaFlow."
 authors = ["NumaFlow Developers"]
 readme = "README.md"