diff --git a/ChangeLog.md b/ChangeLog.md
index 3861e15..cac2c68 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -1,11 +1,10 @@
 # Revision history for reflex-vty
 
-## Unreleased 0.5.1.1
-
+## 0.5.2.0
+* Update to use latest version of vty (for cross-platform support)
 * Fix an issue where the cursor tag is not used for an empty string in `displayLineWithAlignment`
   
 ## 0.5.1.0
-
 * Change `inputInFocusedRegion` to filter mouse scroll wheel input based on if the region under than the mouse rather than using mouse drag tracking
 * Add MonadCatch, MonadThrow, and MonadMask instances (relies on reflex-0.9.2.0 or greater)
 
diff --git a/dep/reflex-platform/github.json b/dep/reflex-platform/github.json
index f23a0d2..e03dc51 100644
--- a/dep/reflex-platform/github.json
+++ b/dep/reflex-platform/github.json
@@ -1,8 +1,8 @@
 {
   "owner": "reflex-frp",
   "repo": "reflex-platform",
-  "branch": "develop",
+  "branch": "release/1.2.0.0",
   "private": false,
-  "rev": "6c8830e059a6d2859cb1b65acefed3c2f1d216d3",
-  "sha256": "06kv45yq8qan0p22wzj5c9mx11ns1wddyqjr1xasjjkf6gaf0080"
+  "rev": "f231e2425ac92339b8491cdd970930d63d9ad1ad",
+  "sha256": "0b042x423p04shhidni08f47ydgpfj0rpqhb0m6gj2lg8b3s9l8k"
 }
diff --git a/reflex-vty.cabal b/reflex-vty.cabal
index 8b941d5..27b642a 100644
--- a/reflex-vty.cabal
+++ b/reflex-vty.cabal
@@ -1,5 +1,5 @@
 name: reflex-vty
-version: 0.5.1.1
+version: 0.5.2.0
 synopsis: Reflex FRP host and widgets for VTY applications
 description:
   Build terminal applications using functional reactive programming (FRP) with Reflex FRP (<https://reflex-frp.org>).
@@ -40,7 +40,7 @@ library
                  , Reflex.Spider.Orphans
                  , Control.Monad.NodeId
   build-depends:
-    base >= 4.10.0 && < 4.19,
+    base >= 4.10.0 && < 4.20,
     bimap >= 0.3.3 && < 0.6,
     containers >= 0.5.0 && < 0.7,
     mtl >= 2.2.2 && < 2.4,
@@ -58,7 +58,8 @@ library
     ref-tf >= 0.4.0 && < 0.6,
     reflex >= 0.9.2 && < 1,
     time >= 1.8.0 && < 1.13,
-    vty >= 5.28 && < 5.39
+    vty >= 6.0 && < 6.2,
+    vty-crossplatform >= 0.1 && < 0.5
   hs-source-dirs: src
   default-language: Haskell2010
   ghc-options: -Wall
diff --git a/release.nix b/release.nix
index 48d8eef..f32d38f 100644
--- a/release.nix
+++ b/release.nix
@@ -1,16 +1,26 @@
 { reflex-platform ? import ./dep/reflex-platform
+, supportedSystems ? [ "x86_64-linux" "x86_64-darwin" ]
 }:
 let
   rp = reflex-platform {};
   pkgs = rp.nixpkgs;
-  supportedSystems = [ "x86_64-linux" "x86_64-darwin" ];
   inherit (pkgs) lib;
   haskellLib = pkgs.haskell.lib;
   commonOverrides = self: super: {
     vty = self.callHackageDirect {
       pkg = "vty";
-      ver = "5.38";
-      sha256 = "0kcd3ln9xmc62ka0i7habzvjjar8z63mlvl15rdhf8hqmda0b7r7";
+      ver = "6.1";
+      sha256 = "2cefcb5764f6b662440ba9e56c30282da37071b599a7def7fc8e5679f2602bf8";
+    } {};
+    vty-crossplatform = self.callHackageDirect {
+      pkg = "vty-crossplatform";
+      ver = "0.4.0.0";
+      sha256 = "7b72e71b7a2e1a947f825a44a1fdea2e3e147944410c4286390aa4124a56358b";
+    } {};
+    vty-unix = self.callHackageDirect {
+      pkg = "vty-unix";
+      ver = "0.2.0.0";
+      sha256 = "b03a315f1aa8f70e5e3aab36b88ed2e49cd646c56b1e34c195dae13c929ca926";
     } {};
     reflex = self.callCabal2nix "reflex" (rp.hackGet ./dep/reflex) {};
   };
@@ -38,7 +48,7 @@ let
       };
     };
     nixGhc961 = (import ./dep/nixpkgs { inherit system; }).haskell.packages.ghc961.override {
-      overrides = self: super: {
+      overrides = self: super: commonOverrides self super // {
 
         reflex = self.callCabal2nix "reflex" (rp.hackGet ./dep/reflex) {};
 
@@ -75,17 +85,11 @@ let
           ver = "0.5";
           sha256 = "02iyvrr7nd7fnivz78lzdchy8zw1cghqj1qx2yzbbb9869h1mny7";
         } {};
-        vty = self.callHackageDirect {
-          pkg = "vty";
-          ver = "5.38";
-          sha256 = "0kcd3ln9xmc62ka0i7habzvjjar8z63mlvl15rdhf8hqmda0b7r7";
-        } {};
 
 
         # Jailbroken until https://github.com/audreyt/string-qq/pull/3
         string-qq = haskellLib.dontCheck super.string-qq;
         # Tests aren't compatible with transformers-0.6
-        bimap = haskellLib.dontCheck super.bimap;
         exception-transformers = haskellLib.doJailbreak (haskellLib.dontCheck super.exception-transformers);
 
       };
diff --git a/src/Reflex/Vty/Host.hs b/src/Reflex/Vty/Host.hs
index d1f61f5..e235648 100644
--- a/src/Reflex/Vty/Host.hs
+++ b/src/Reflex/Vty/Host.hs
@@ -30,6 +30,8 @@ import Reflex
 import Reflex.Host.Class
 import Reflex.Spider.Orphans ()
 import qualified Graphics.Vty as V
+import qualified Graphics.Vty.CrossPlatform as V
+
 import Graphics.Vty (DisplayRegion)
 
 -- | A synonym for the underlying vty event type from 'Graphics.Vty'. This should
@@ -230,5 +232,8 @@ runVtyApp app = do
 -- | Returns the standard vty configuration with mouse mode enabled.
 getDefaultVty :: IO V.Vty
 getDefaultVty = do
-  cfg <- V.standardIOConfig
-  V.mkVty $ cfg { V.mouseMode = Just True }
+  cfg <- V.userConfig
+  vty <- V.mkVty cfg
+  liftIO $ V.setMode (V.outputIface vty) V.Mouse True
+  return vty
+