diff --git a/Cargo.toml b/Cargo.toml
index 70d8312..85d0390 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "crock"
-version = "0.3.0"
+version = "0.3.1-alpha.0"
 edition = "2021"
 publish = true
 authors = ["Christoph J. Scherr <software@cscherr.de>"]