diff --git a/py-polars/Cargo.toml b/py-polars/Cargo.toml
index f6279944dff3..ddfdbceab81b 100644
--- a/py-polars/Cargo.toml
+++ b/py-polars/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "py-polars"
-version = "0.20.31"
+version = "1.0.0-alpha.1"
 edition = "2021"
 
 [lib]