diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 1c20084..69a5f0e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,5 +25,6 @@ jobs:
           source venv/bin/activate
           pip install componentize-py==0.23.0 http-router==4.1.2 build==1.4.2 mypy==1.13
           python -m build
-          pip install dist/spin_sdk-4.0.0-py3-none-any.whl
+          VERSION=$(yq '.project.version' pyproject.toml)
+          pip install dist/spin_sdk-${VERSION//-}-py3-none-any.whl
           bash run_tests.sh
diff --git a/pyproject.toml b/pyproject.toml
index b892506..c21f773 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "spin-sdk"
-version = "4.0.0"
+version = "4.0.0-rc1"
 description = "Python SDK for Spin"
 readme = "README.md"
 license-files = [ "LICENSE" ]