diff --git a/Cargo.toml b/Cargo.toml
index 64190e7..384f037 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "shortguid"
-version = "0.6.0"
+version = "0.7.0-unstable"
 edition = "2021"
 license = "EUPL-1.2"
 description = "Short URL-safe Base64 encoded UUIDs"