diff --git a/webrender_api/src/image.rs b/webrender_api/src/image.rs
index 903b127782..87fce72604 100644
--- a/webrender_api/src/image.rs
+++ b/webrender_api/src/image.rs
@@ -171,6 +171,9 @@ pub enum ImageFormat {
     RGBAI32 = 7,
     /// Four channels, byte storage.
     RGBA8 = 8,
+    
+    /// Four channels, float16 storage.
+    RGBAF16 = 9,
 }
 
 impl ImageFormat {