diff --git a/Cargo.toml b/Cargo.toml
index e478879..31980ca 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,4 +16,4 @@ facilitate deserializing and serializing Rust structures.
 """
 
 [dependencies]
-rustc-serialize = "0.2.0"
+rustc-serialize = "0.3.0"