diff --git a/Cargo.toml b/Cargo.toml
index 2dc6956..6804204 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,11 +1,12 @@
 [package]
 name = "smallvec"
-version = "0.5.0"
+version = "0.6.0"
 authors = ["Simon Sapin <simon.sapin@exyr.org>"]
 license = "MPL-2.0"
 repository = "https://github.com/servo/rust-smallvec"
 description = "'Small vector' optimization: store up to a small number of items on the stack"
 keywords = ["small", "vec", "vector", "stack", "no_std"]
+categories = ["data-structures"]
 readme = "README.md"
 documentation = "http://doc.servo.org/smallvec/"