diff --git a/Cargo.toml b/Cargo.toml
index 1c8ea68..dae4dc4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ 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 = "0.8.1"
+version = "0.8.2"
 authors = ["The Servo Project Developers"]
 license = "MIT / Apache-2.0"
 
@@ -14,4 +14,4 @@ elcapitan = []
 [dependencies]
 libc = "0.2"
 core-foundation = "0.3"
-bitflags = "0.8"
+bitflags = "0.9"
diff --git a/src/event.rs b/src/event.rs
index c6ea59d..d43905c 100644
--- a/src/event.rs
+++ b/src/event.rs
@@ -12,25 +12,25 @@ pub type CGKeyCode = libc::uint16_t;
 ///
 /// [Ref](http://opensource.apple.com/source/IOHIDFamily/IOHIDFamily-700/IOHIDSystem/IOKit/hidsystem/IOLLEvent.h)
 bitflags! {
-    pub flags CGEventFlags: u64 {
-        const CGEventFlagNull = 0,
+    pub struct CGEventFlags: u64 {
+        const CGEventFlagNull = 0;
 
         // Device-independent modifier key bits.
-        const CGEventFlagAlphaShift = 0x00010000,
-        const CGEventFlagShift = 0x00020000,
-        const CGEventFlagControl = 0x00040000,
-        const CGEventFlagAlternate = 0x00080000,
-        const CGEventFlagCommand = 0x00100000,
+        const CGEventFlagAlphaShift = 0x00010000;
+        const CGEventFlagShift = 0x00020000;
+        const CGEventFlagControl = 0x00040000;
+        const CGEventFlagAlternate = 0x00080000;
+        const CGEventFlagCommand = 0x00100000;
 
         // Special key identifiers.
-        const CGEventFlagHelp = 0x00400000,
-        const CGEventFlagSecondaryFn = 0x00800000,
+        const CGEventFlagHelp = 0x00400000;
+        const CGEventFlagSecondaryFn = 0x00800000;
 
         // Identifies key events from numeric keypad area on extended keyboards.
-        const CGEventFlagNumericPad = 0x00200000,
+        const CGEventFlagNumericPad = 0x00200000;
 
         // Indicates if mouse/pen movement events are not being coalesced
-        const CGEventFlagNonCoalesced = 0x00000100,
+        const CGEventFlagNonCoalesced = 0x00000100;
     }
 }