diff --git a/Cargo.toml b/Cargo.toml
index eeaea61..28a551f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,3 +4,5 @@ name = "geom"
 version = "0.1.0"
 authors = ["The Servo Project Developers"]
 
+[dependencies]
+rustc-serialize = "0.2"
diff --git a/src/lib.rs b/src/lib.rs
index 4d67004..93f95ca 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -15,7 +15,7 @@
 
 #[macro_use]
 extern crate log;
-extern crate "serialize" as rustc_serialize;
+extern crate "rustc-serialize" as rustc_serialize;
 
 extern crate rand;
 extern crate test;