diff --git a/Cargo.toml b/Cargo.toml
index 19ee79d..302dfcf 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,12 +3,11 @@ name = "core-graphics"
 description = "Bindings to Core Graphics for OS X"
 homepage = "https://github.com/servo/core-graphics-rs"
 repository = "https://github.com/servo/core-graphics-rs"
-version = "0.2.1"
+version = "0.3.0"
 authors = ["The Servo Project Developers"]
 license = "MIT / Apache-2.0"
 
 [dependencies]
 libc = "0.2"
 core-foundation = "0.2"
-serde = "0.6"
-
+serde = "0.7"
diff --git a/src/font.rs b/src/font.rs
index 0cb89fc..0ed20c5 100644
--- a/src/font.rs
+++ b/src/font.rs
@@ -42,7 +42,7 @@ impl Deserialize for CGFont {
     fn deserialize<D>(deserializer: &mut D) -> Result<Self, D::Error> where D: Deserializer {
         let postscript_name: String = try!(Deserialize::deserialize(deserializer));
         CGFont::from_name(&CFString::new(&*postscript_name)).map_err(|err| {
-            de::Error::syntax("Couldn't find a font with that PostScript name!")
+            de::Error::invalid_value("Couldn't find a font with that PostScript name!")
         })
     }
 }