diff --git a/pyproject.toml b/pyproject.toml
index 528e4d2bd..8f07f9cbd 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ required-version = ">=0.7.0"
 
 [project]
 name = "llama_stack"
-version = "0.3.2.dev0"
+version = "0.4.0.dev0"
 authors = [{ name = "Meta Llama", email = "llama-oss@meta.com" }]
 description = "Llama Stack"
 readme = "README.md"