diff --git a/bucket/stack.json b/bucket/stack.json
index 9f3daee1bc..3023761259 100644
--- a/bucket/stack.json
+++ b/bucket/stack.json
@@ -1,12 +1,12 @@
 {
-    "version": "2.7.5",
+    "version": "2.9.1",
     "description": "The Haskell Tool Stack",
     "homepage": "https://www.haskellstack.org",
     "license": "BSD-3-Clause",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/commercialhaskell/stack/releases/download/v2.7.5/stack-2.7.5-windows-x86_64.zip",
-            "hash": "a77a1b27501d78800baa7e88d8ccca1d6e9b19b9c59f02f2a40ca260aaa75260"
+            "url": "https://github.com/commercialhaskell/stack/releases/download/v2.9.1/stack-2.9.1-windows-x86_64.zip",
+            "hash": "5bbf72847b9978bcc8f23b4db3f1b9f76e85628086f85b6b29aa5d6a7ba4497d"
         }
     },
     "bin": "stack.exe",