diff --git a/pyproject.toml b/pyproject.toml
index 318c450..f5b09e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ build-backend = "setuptools.build_meta"
 [project]
 name = "onboardapis"
 description = "A pure Python wrapper for the on-board APIs of many different transportation providers."
-version = "2.0.0rc3"
+version = "2.0.0rc4"
 readme = { file = "README.md", content-type = "text/markdown" }
 requires-python = ">=3.8"
 keywords = [