diff --git a/libs/checkpoint/pyproject.toml b/libs/checkpoint/pyproject.toml
index 2152db18e..06308cd7d 100644
--- a/libs/checkpoint/pyproject.toml
+++ b/libs/checkpoint/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph-checkpoint"
-version = "4.0.2"
+version = "4.1.0a2"
 description = "Library with base interfaces for LangGraph checkpoint savers."
 authors = []
 requires-python = ">=3.10"
diff --git a/libs/langgraph/pyproject.toml b/libs/langgraph/pyproject.toml
index d35193762..58e4b3880 100644
--- a/libs/langgraph/pyproject.toml
+++ b/libs/langgraph/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "langgraph"
-version = "1.1.9"
+version = "1.2.0a2"
 description = "Building stateful, multi-actor applications with LLMs"
 authors = []
 requires-python = ">=3.10"