diff --git a/pyproject.toml b/pyproject.toml
index ad682d1b..f4c7206e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "simcenter-dlml"
-version = "3.0"
+version = "3.1.dev0"
 description = "Damage and Loss Model Library"
 readme = "README.md"
 license = { text = "BSD-3-Clause" }
diff --git a/uv.lock b/uv.lock
index 095c71be..2730c621 100644
--- a/uv.lock
+++ b/uv.lock
@@ -4944,7 +4944,7 @@ wheels = [
 
 [[package]]
 name = "simcenter-dlml"
-version = "3.0"
+version = "3.1.dev0"
 source = { editable = "." }
 dependencies = [
     { name = "jsonschema", version = "4.25.1", source = { registry = "https://pypi.org/simple" }, marker = "python_full_version < '3.10'" },