diff --git a/bucket/llvm-arm64.json b/bucket/llvm-arm64.json
index a82d08342b..556b223b99 100644
--- a/bucket/llvm-arm64.json
+++ b/bucket/llvm-arm64.json
@@ -1,12 +1,12 @@
 {
-    "version": "21.1.4",
+    "version": "21.1.5",
     "description": "Collection of modular and reusable compiler and toolchain technologies. (arm64/aarch64 only)",
     "homepage": "https://www.llvm.org",
     "license": "NCSA",
     "architecture": {
         "arm64": {
-            "url": "https://github.com/llvm/llvm-project/releases/download/llvmorg-21.1.4/LLVM-21.1.4-woa64.exe#/dl.7z",
-            "hash": "f6c1790e84a54d6ee818ab90c78850fc7ba63eac088e9782a222119bc5a16b58"
+            "url": "https://github.com/llvm/llvm-project/releases/download/llvmorg-21.1.5/LLVM-21.1.5-woa64.exe#/dl.7z",
+            "hash": "d570e77cd37791372ddab07fe892a2a25f0824821dc57e546118a3f1ee4b66de"
         }
     },
     "pre_install": "Remove-Item \"$dir\\`$*\", \"$dir\\Uninstall.exe\" -Recurse",