diff --git a/bucket/azure-functions-core-tools.json b/bucket/azure-functions-core-tools.json
index 9ad8a8ffe0..c307159aa4 100644
--- a/bucket/azure-functions-core-tools.json
+++ b/bucket/azure-functions-core-tools.json
@@ -1,22 +1,22 @@
 {
     "$schema": "https://raw.githubusercontent.com/ScoopInstaller/Scoop/master/schema.json",
     "##": "Rename download file because 7-zip can't decompress it as zip file.",
-    "version": "4.1.2",
+    "version": "4.2.1",
     "description": "Microsoft Azure Functions Core Tools",
     "homepage": "https://github.com/Azure/azure-functions-core-tools",
     "license": "MIT",
     "architecture": {
         "arm64": {
-            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.1.2/Azure.Functions.Cli.win-arm64.4.1.2.zip#/dl.7z",
-            "hash": "9f6b82e68893d646a3788c2bc8cea85719be57604201c1fe931646eb0d7d9f24"
+            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.2.1/Azure.Functions.Cli.win-arm64.4.2.1.zip#/dl.7z",
+            "hash": "797eb107babe001e25bf23407de0a825454a6cee32362ae34b3853e608174a34"
         },
         "32bit": {
-            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.1.2/Azure.Functions.Cli.win-x86.4.1.2.zip#/dl.7z",
-            "hash": "235a56889d70c3e3374a4c51a9cb3a301e11312370cbc174bd3f9fc6f8729ece"
+            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.2.1/Azure.Functions.Cli.win-x86.4.2.1.zip#/dl.7z",
+            "hash": "8c7b0bcaab64daecca90bc59332451e7d9a02f022c1534fd7d4f6071eeb9cf0b"
         },
         "64bit": {
-            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.1.2/Azure.Functions.Cli.win-x64.4.1.2.zip#/dl.7z",
-            "hash": "03ed7ba3003e386b8bed44493cd75b01d82385d0cede0c8bf3eadce0eea6a21f"
+            "url": "https://github.com/Azure/azure-functions-core-tools/releases/download/4.2.1/Azure.Functions.Cli.win-x64.4.2.1.zip#/dl.7z",
+            "hash": "85b905d942da249ea6e1570fae96173bf863bb5c59cabe3e15dbe0c89270d88c"
         }
     },
     "bin": "func.exe",