diff --git a/yaml/Cargo.toml b/yaml/Cargo.toml
index 5ae46c72..90bfe98c 100644
--- a/yaml/Cargo.toml
+++ b/yaml/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "serde_yaml"
-version = "0.5.1"
+version = "0.6.0-rc1"
 authors = ["David Tolnay <dtolnay@gmail.com>"]
 license = "MIT/Apache-2.0"
 description = "YAML support for Serde"