diff --git a/leanpkg.toml b/leanpkg.toml
index 755c26ba8e..7c54a930ab 100644
--- a/leanpkg.toml
+++ b/leanpkg.toml
@@ -1,4 +1,4 @@
 [package]
 name = "lake"
-version = "1.0"
+version = "2.0-pre"
 lean_version = "leanprover/lean4:nightly-2021-06-14"