diff --git a/Cargo.toml b/Cargo.toml
index 4b90a21..9b8aea4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "smallvec"
-version = "1.9.0"
+version = "2.0.0-alpha.1"
 edition = "2018"
 rust-version = "1.57"
 authors = ["The Servo Project Developers"]