diff --git a/README.md b/README.md
index a53946b..f9b2ba8 100644
--- a/README.md
+++ b/README.md
@@ -17,16 +17,18 @@ library.
 ## Example
 
 ```rust
+#![feature(old_orphan_check)]
+
 extern crate bincode;
 extern crate "rustc-serialize" as rustc_serialize;
 
-#[deriving(RustcEncodable, RustcDecodable, PartialEq)]
+#[derive(RustcEncodable, RustcDecodable, PartialEq)]
 struct Entity {
     x: f32,
     y: f32,
 }
 
-#[deriving(RustcEncodable, RustcDecodable, PartialEq)]
+#[derive(RustcEncodable, RustcDecodable, PartialEq)]
 struct World {
     entities: Vec<Entity>
 }
diff --git a/examples/basic.rs b/examples/basic.rs
index 0eaf978..d9ef5d1 100644
--- a/examples/basic.rs
+++ b/examples/basic.rs
@@ -1,13 +1,15 @@
+#![feature(old_orphan_check)]
+
 extern crate bincode;
 extern crate "rustc-serialize" as rustc_serialize;
 
-#[deriving(RustcEncodable, RustcDecodable, PartialEq)]
+#[derive(RustcEncodable, RustcDecodable, PartialEq)]
 struct Entity {
     x: f32,
     y: f32,
 }
 
-#[deriving(RustcEncodable, RustcDecodable, PartialEq)]
+#[derive(RustcEncodable, RustcDecodable, PartialEq)]
 struct World {
     entities: Vec<Entity>
 }
diff --git a/src/lib.rs b/src/lib.rs
index 82baa19..d6d298d 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,6 +1,7 @@
 #![crate_name = "bincode"]
 #![crate_type = "rlib"]
 #![crate_type = "dylib"]
+#![feature(old_orphan_check)]
 
 extern crate "rustc-serialize" as rustc_serialize;
 
diff --git a/src/test.rs b/src/test.rs
index 3485a34..1ec6d73 100644
--- a/src/test.rs
+++ b/src/test.rs
@@ -65,7 +65,7 @@ fn test_tuple() {
 
 #[test]
 fn test_basic_struct() {
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     struct Easy {
         x: int,
         s: String,
@@ -76,13 +76,13 @@ fn test_basic_struct() {
 
 #[test]
 fn test_nested_struct() {
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     struct Easy {
         x: int,
         s: String,
         y: uint
     }
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     struct Nest {
         f: Easy,
         b: uint,
@@ -98,7 +98,7 @@ fn test_nested_struct() {
 
 #[test]
 fn test_struct_tuple() {
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     struct TubStr(uint, String, f32);
 
     the_same(TubStr(5, "hello".to_string(), 3.2));
@@ -113,7 +113,7 @@ fn option() {
 
 #[test]
 fn enm() {
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     enum TestEnum {
         NoArg,
         OneArg(uint),
@@ -127,7 +127,7 @@ fn enm() {
 
 #[test]
 fn struct_enum() {
-    #[deriving(RustcEncodable, RustcDecodable, PartialEq, Show)]
+    #[derive(RustcEncodable, RustcDecodable, PartialEq, Show)]
     enum TestEnum {
         NoArg,
         OneArg(uint),