diff --git a/pyproject.toml b/pyproject.toml
index ad44c9d..268f5c0 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -7,7 +7,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "pytest-run-parallel"
 description = "A simple pytest plugin to run tests concurrently"
-version = "0.9.1"
+version = "0.9.1.dev0"
 readme = "README.md"
 requires-python = ">=3.10"
 dependencies = [
diff --git a/uv.lock b/uv.lock
index ac2ab7d..fdae2a9 100644
--- a/uv.lock
+++ b/uv.lock
@@ -384,7 +384,7 @@ wheels = [
 
 [[package]]
 name = "pytest-run-parallel"
-version = "0.9.1"
+version = "0.9.1.dev0"
 source = { editable = "." }
 dependencies = [
     { name = "pytest" },