diff --git a/Cargo.toml b/Cargo.toml
index 1382bbb..95815a7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "routecore"
-version = "0.5.0-rc0"
+version = "0.5.0-rc1-dev"
 authors = ["NLnet Labs <routing-team@nlnetlabs.nl>"]
 categories = ["network-programming"]
 description = "A Library with Building Blocks for BGP Routing"