Changed required specs-derive version
@@ -52,7 +52,7 @@ criterion = "0.2"
ron = "0.4"
rand = "0.5.5"
serde_json = "1.0"
-specs-derive = { path = "specs-derive", version = "0.2.0" }
+specs-derive = { path = "specs-derive", version = "0.3.0" }
[[example]]
name = "async"
