diff --git a/bucket/mingw-mstorsjo-llvm-ucrt.json b/bucket/mingw-mstorsjo-llvm-ucrt.json
index 5c846e2643..029110f75a 100644
--- a/bucket/mingw-mstorsjo-llvm-ucrt.json
+++ b/bucket/mingw-mstorsjo-llvm-ucrt.json
@@ -1,23 +1,23 @@
 {
-    "version": "17.0.6-20231128",
+    "version": "18.1.0-20240306",
     "description": "LLVM toolchain based on mingw-w64. (UCRT, mstorsjo build)",
     "homepage": "https://github.com/mstorsjo/llvm-mingw/",
     "license": "GPL-3.0-or-later,ZPL-2.1,Apache-2.0 WITH LLVM-exception,ISC",
     "architecture": {
         "64bit": {
-            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20231128/llvm-mingw-20231128-ucrt-x86_64.zip",
-            "hash": "7a344dafa6942de2c1f4643b3eb5c5ce5317fbab671a887e4d39f326b331798f",
-            "extract_dir": "llvm-mingw-20231128-ucrt-x86_64"
+            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20240306/llvm-mingw-20240306-ucrt-x86_64.zip",
+            "hash": "542bbc235e1a1473f5d7404f78db86629b49356039c0cb87d4b44ecc0950e19d",
+            "extract_dir": "llvm-mingw-20240306-ucrt-x86_64"
         },
         "32bit": {
-            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20231128/llvm-mingw-20231128-ucrt-i686.zip",
-            "hash": "dae4449a1ebb08f1f289c3ad9bdfb6245e817edcca0b4ef2491d95df88d376e1",
-            "extract_dir": "llvm-mingw-20231128-ucrt-i686"
+            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20240306/llvm-mingw-20240306-ucrt-i686.zip",
+            "hash": "f5af7b287f3a243763a1cd2d50b5adce3b2e398fb291aeca2c640707305553d2",
+            "extract_dir": "llvm-mingw-20240306-ucrt-i686"
         },
         "arm64": {
-            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20231128/llvm-mingw-20231128-ucrt-aarch64.zip",
-            "hash": "c0603fd9e44dcc4a93f8c97f1d73c6a6420052b81741c71d3f6fdf011d6cfa75",
-            "extract_dir": "llvm-mingw-20231128-ucrt-aarch64"
+            "url": "https://github.com/mstorsjo/llvm-mingw/releases/download/20240306/llvm-mingw-20240306-ucrt-aarch64.zip",
+            "hash": "118ed032b370814bb33d1a34ffb08d9d90d900a3b6d1638f040954ecb5762572",
+            "extract_dir": "llvm-mingw-20240306-ucrt-aarch64"
         }
     },
     "post_install": "Copy-Item \"$dir\\bin\\mingw32-make.exe\" \"$dir\\bin\\make.exe\"",