diff --git a/bucket/haskell.json b/bucket/haskell.json
index 9d69c043f8..4abe0e1f41 100644
--- a/bucket/haskell.json
+++ b/bucket/haskell.json
@@ -1,5 +1,5 @@
 {
-    "version": "8.6.5",
+    "version": "9.0.1",
     "description": "An advanced, purely functional programming language.",
     "homepage": "https://www.haskell.org",
     "license": "BSD-3-Clause",
@@ -12,18 +12,11 @@
     },
     "architecture": {
         "64bit": {
-            "url": "https://haskell.org/platform/download/8.6.5/HaskellPlatform-8.6.5-core-x86_64-setup.exe#/dl.7z",
-            "hash": "b557748749f6c4073885ecdf43f7cd5d4d8c8f90712665943a1d265d78bb38c6",
-            "extract_dir": "$_14_"
+            "url": "https://github.com/commercialhaskell/ghc/releases/download/ghc-9.0.1-release/ghc-9.0.1-x86_64-unknown-mingw32.tar.xz",
+            "hash": "4f4ab118df01cbc7e7c510096deca0cb25025339a97730de0466416296202493",
+            "extract_dir": "ghc-9.0.1-x86_64-unknown-mingw32"
         }
     },
-    "installer": {
-        "script": [
-            "Expand-7zipArchive -Path \"$dir\\HaskellPlatform-$version-core-x86_64-setup.exe\" -ExtractDir '$_15_' -Removal",
-            "Get-ChildItem -Path \"$dir\" -Exclude 'stack*' | Convert-Path | ForEach-Object { Expand-7zipArchive -Path $_ -Removal }",
-            "Remove-Item -Path \"$dir\\`$PLUGINSDIR\", \"$dir\\*uninstall*\", \"$dir\\stack*\" -Recurse -Force"
-        ]
-    },
     "bin": [
         "bin\\ghc.exe",
         "bin\\ghci.exe",
@@ -32,28 +25,19 @@
         "bin\\hp2ps.exe",
         "bin\\hpc.exe",
         "bin\\hsc2hs.exe",
-        "bin\\runghc.exe",
-        "bin\\runhaskell.exe"
+        "bin\\runghc.exe"
     ],
-    "shortcuts": [
-        [
-            "winghci\\winghci.exe",
-            "WinGHCi"
-        ]
-    ],
-    "env_add_path": "lib\\extralibs\\bin",
+    "env_add_path": "lib\\bin",
     "checkver": {
-        "url": "https://www.haskell.org/platform/windows.html",
-        "regex": "<strong>([\\d.]+)</strong>"
+        "url": "https://api.github.com/repos/commercialhaskell/ghc/tags",
+        "jsonpath": "$.name",
+        "regex": "ghc-([\\d\\.]+)-release"
     },
     "autoupdate": {
         "architecture": {
             "64bit": {
-                "url": "https://haskell.org/platform/download/$version/HaskellPlatform-$version-core-x86_64-setup.exe#/dl.7z",
-                "hash": {
-                    "url": "https://www.haskell.org/platform/windows.html",
-                    "regex": ">$sha256<"
-                }
+                "url": "https://github.com/commercialhaskell/ghc/releases/download/ghc-$version-release/ghc-$version-x86_64-unknown-mingw32.tar.xz",
+                "extract_dir": "ghc-$version-x86_64-unknown-mingw32"
             }
         }
     }