diff --git a/Cargo.toml b/Cargo.toml
index 1f57bc8..63bdf3a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "cocoa"
 description = "Bindings to Cocoa for OS X"
 homepage = "https://github.com/servo/cocoa-rs"
 repository = "https://github.com/servo/cocoa-rs"
-version = "0.8.0"
+version = "0.8.1"
 authors = ["The Servo Project Developers"]
 license = "MIT / Apache-2.0"
 
diff --git a/src/appkit.rs b/src/appkit.rs
index 3996612..8b82aa4 100644
--- a/src/appkit.rs
+++ b/src/appkit.rs
@@ -81,6 +81,10 @@ extern {
     // Pasteboard reading options - OS X v10.6 and later. (NSString *)
     pub static NSPasteboardURLReadingFileURLsOnlyKey: id;
     pub static NSPasteboardURLReadingContentsConformToTypesKey: id;
+
+    // NSAppearance names. (NSString *)
+    pub static NSAppearanceNameVibrantDark: id;
+    pub static NSAppearanceNameVibrantLight: id;
 }
 
 pub const NSAppKitVersionNumber10_0: f64 = 577.0;