diff --git a/bindings/ceylon/pyproject.toml b/bindings/ceylon/pyproject.toml
index 9369eb0..185e7b5 100644
--- a/bindings/ceylon/pyproject.toml
+++ b/bindings/ceylon/pyproject.toml
@@ -10,7 +10,7 @@ readme = { file = "README.md", content-type = "text/markdown" }
 license = { file = "LICENSE" }
 keywords = ["Aritifical Intelligence", "Multi Agent Systems", "CEYLON", "Ceylon Aritficial Intelligence."]
 dynamic = []
-version = "0.5.0"
+version = "0.5.0-alpha.1"
 classifiers = [
     "Programming Language :: Rust",
     "Programming Language :: Python :: Implementation :: CPython",