diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -43,3 +43,8 @@
 0.2.0.4
 -------
 * Use readConsoleInput API provided by Win32 library.
+
+0.3.0.0
+-------
+* Added support in `Input.Mouse` for parsing horizontal scrolling inputs
+  to work with Vty 6.6.
diff --git a/src/Graphics/Vty/Platform/Windows/Input/Mouse.hs b/src/Graphics/Vty/Platform/Windows/Input/Mouse.hs
--- a/src/Graphics/Vty/Platform/Windows/Input/Mouse.hs
+++ b/src/Graphics/Vty/Platform/Windows/Input/Mouse.hs
@@ -86,6 +86,12 @@
 scrollDown :: Int
 scrollDown = 65
 
+scrollLeft :: Int
+scrollLeft = 66
+
+scrollRight :: Int
+scrollRight = 67
+
 hasBitSet :: Int -> Int -> Bool
 hasBitSet val bit = val .&. bit > 0
 
@@ -110,6 +116,8 @@
                     , (rightButton,  BRight)
                     , (scrollUp,     BScrollUp)
                     , (scrollDown,   BScrollDown)
+                    , (scrollLeft,   BScrollLeft)
+                    , (scrollRight,  BScrollRight)
                     ]
     in case lookup (mods .&. buttonMask) buttonMap of
         Nothing -> failParse
diff --git a/vty-windows.cabal b/vty-windows.cabal
--- a/vty-windows.cabal
+++ b/vty-windows.cabal
@@ -1,6 +1,6 @@
 cabal-version:      3.0
 name:               vty-windows
-version:            0.2.0.4
+version:            0.3.0.0
 license:            BSD-3-Clause
 license-file:       LICENSE
 author:             Chris hackett
@@ -58,7 +58,7 @@
                       transformers,
                       utf8-string,
                       vector,
-                      vty                 >= 6.1,
+                      vty                 >= 6.6,
                       Win32               >= 2.14.2 && < 2.14.3,
     hs-source-dirs:   src
     default-language: Haskell2010