diff --git a/Data/Color.hs b/Data/Color.hs
--- a/Data/Color.hs
+++ b/Data/Color.hs
@@ -48,9 +48,9 @@
 
 instance HasHSB V4 where
     fromHSB h s v = hsv_rgb h s v (argb 1.0)
-    _Hue f (RGBA r g b a) = rgb_hsv r g b $ \h s v -> fmap (\h' -> hsv_rgb h' s v (argb a)) (f h)
-    _Saturation f (RGBA r g b a) = rgb_hsv r g b $ \h s v -> fmap (\s' -> hsv_rgb h s' v (argb a)) (f s)
-    _Brightness f (RGBA r g b a) = rgb_hsv r g b $ \h s v -> fmap (\v' -> hsv_rgb h s v' (argb a)) (f v)
+    _Hue f (V4 r g b a) = rgb_hsv r g b $ \h s v -> fmap (\h' -> hsv_rgb h' s v (argb a)) (f h)
+    _Saturation f (V4 r g b a) = rgb_hsv r g b $ \h s v -> fmap (\s' -> hsv_rgb h s' v (argb a)) (f s)
+    _Brightness f (V4 r g b a) = rgb_hsv r g b $ \h s v -> fmap (\v' -> hsv_rgb h s v' (argb a)) (f v)
 
 instance HasAlpha V4 where
     _Alpha = _w
diff --git a/colors.cabal b/colors.cabal
--- a/colors.cabal
+++ b/colors.cabal
@@ -1,5 +1,5 @@
 name:                colors
-version:             0.3
+version:             0.3.0.1
 synopsis:            A type for colors
 -- description:
 homepage:            https://github.com/fumieval/colors