diff --git a/ChangeLog.md b/ChangeLog.md
index e14065c..af5d060 100644
--- a/ChangeLog.md
+++ b/ChangeLog.md
@@ -2,7 +2,7 @@
 
 ## 0.3.1.1
 
-* Upgrade readme example to use reflex-vty 0.2
+* Update readme example to use reflex-vty 0.2
 
 ## 0.3.1.0
 
diff --git a/reflex-platform/default.nix b/nixpkgs/default.nix
similarity index 100%
rename from reflex-platform/default.nix
rename to nixpkgs/default.nix
diff --git a/nixpkgs/github.json b/nixpkgs/github.json
new file mode 100644
index 0000000..5a109e1
--- /dev/null
+++ b/nixpkgs/github.json
@@ -0,0 +1,8 @@
+{
+  "owner": "NixOS",
+  "repo": "nixpkgs",
+  "branch": "nixos-20.09",
+  "private": false,
+  "rev": "068984c00e0d4e54b6684d98f6ac47c92dcb642e",
+  "sha256": "00j4xv4lhhqwry7jd67brnws4pwb8vn660n43pvxpkalbpxszwfg"
+}
diff --git a/reflex-platform/thunk.nix b/nixpkgs/thunk.nix
similarity index 100%
rename from reflex-platform/thunk.nix
rename to nixpkgs/thunk.nix
diff --git a/reflex-platform/github.json b/reflex-platform/github.json
deleted file mode 100644
index c91db26..0000000
--- a/reflex-platform/github.json
+++ /dev/null
@@ -1,8 +0,0 @@
-{
-  "owner": "reflex-frp",
-  "repo": "reflex-platform",
-  "branch": "aa/reflex-vty-0.2",
-  "private": false,
-  "rev": "2f3d763a885e50f932a3b4544b3f1a7fc8e9315a",
-  "sha256": "1x3v6hh110fjc7pmmrblvdydf565xh1lw0hr8ph7k38v426jb6wk"
-}
diff --git a/release.nix b/release.nix
index 3825b74..48b214f 100644
--- a/release.nix
+++ b/release.nix
@@ -1,28 +1,54 @@
-{ reflex-platform-fun ? import ./reflex-platform
+{ pkgs ? import ./nixpkgs {}
 , supportedSystems ? [ "x86_64-linux" "x86_64-darwin" ]
 }:
-
 let
-  native-reflex-platform = reflex-platform-fun {};
-  inherit (native-reflex-platform.nixpkgs) lib;
+  inherit (pkgs) lib;
+  sharedOverrides = self: super: {
+    reflex-vty = self.callHackageDirect {
+      pkg = "reflex-vty";
+      ver = "0.2.0.0";
+      sha256 = "1vb38qx1a6l28i4wd1g48qqmymlzivq7lwmxbywjs0b36ynsnfk8";
+    } {};
+    reflex = self.callHackageDirect {
+      pkg = "reflex";
+      ver = "0.8.1.1";
+      sha256 = "1sdakz8rgdhvrcq004926dmbwlmhmv7wsw9h7f8klnvdsydm7dh7";
+    } {};
+    patch = self.callHackageDirect {
+      pkg = "patch";
+      ver = "0.0.4.0";
+      sha256 = "1x1rbi51r5gvbkg96884c2py7in4n0ijh5ins8ya3b5kga32siq4";
+    } {};
+  };
+
+  ghcs = {
+    ghc865 = pkgs.haskell.packages.ghc865.override {
+      overrides = self: super: sharedOverrides self super // {
+        ghc-lib-parser = self.callHackageDirect {
+          pkg = "ghc-lib-parser";
+          ver = "8.8.4.20210620";
+          sha256 = "17y7f5h1mrfyblaz0ipws04a4z11vnwkfvzzk8mkyrkz4am1a8fp";
+        } {};
+        ghc-lib-parser-ex = self.callHackageDirect {
+          pkg = "ghc-lib-parser-ex";
+          ver = "8.8.5.8";
+          sha256 = "1avdm9fzgk59xzq5xv5rlnncq4vgqsf3jyf46889cf7gcfb40aff";
+        } {};
+        hlint = self.callHackageDirect {
+          pkg = "hlint";
+          ver = "2.2.11";
+          sha256 = "0v4axmqb3zwzznyvhiqbr50k23ah63sd9gsmi5sa2p97hch8kwx1";
+        } {};
 
-  perPlatform = lib.genAttrs supportedSystems (system: let
-    reflex-platform = reflex-platform-fun {
-      inherit system;
+      };
+    };
+    ghc884 = pkgs.haskell.packages.ghc884.override {
+      overrides = sharedOverrides;
+    };
+    ghc8104 = pkgs.haskell.packages.ghc8104.override {
+      overrides = sharedOverrides;
     };
-    src = builtins.filterSource (path: type: !(builtins.elem (baseNameOf path) [
-      "release.nix"
-      ".git"
-      "dist"
-      "dist-newstyle"
-      "cabal.haskell-ci"
-      "cabal.project"
-      ".travis.yml"
-    ])) ./.;
-  in reflex-platform.ghc.callCabal2nix "reflex-process" src {});
+  };
+in
+  lib.mapAttrs (_: ghc: ghc.callCabal2nix "reflex-process" ./. {}) ghcs
 
-in perPlatform // {
-  cache = native-reflex-platform.pinBuildInputs
-    "reflex-process-everywhere"
-    (builtins.attrValues perPlatform);
-}