diff --git a/pyproject.toml b/pyproject.toml
index 6dd41bfc..cc4e731c 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "poetry.core.masonry.api"
 
 [tool.poetry]
 name = "transmission-rpc"
-version = "3.4.0"
+version = "4.0.0-alpha"
 description = "Python module that implements the Transmission bittorent client JSON-RPC protocol"
 authors = ["Trim21 <i@trim21.me>"]
 readme = 'README.md'