diff --git a/.github/workflows/CI_windows.yml b/.github/workflows/CI_windows.yml
index 7b04421b811..41a063f04e2 100644
--- a/.github/workflows/CI_windows.yml
+++ b/.github/workflows/CI_windows.yml
@@ -386,10 +386,10 @@ jobs:
         $VerbosePreference = "Continue"
         . "${env:WZ_REPO_PATH}\.ci\powershell\request.ps1"
 
-        $LLVM_MINGW_RELEASE = "20230614";
+        $LLVM_MINGW_RELEASE = "20231017";
         $LLVM_MINGW_PKG = "llvm-mingw-${LLVM_MINGW_RELEASE}-ucrt-x86_64"
         $LLVM_MINGW_DL_URL = "https://github.com/mstorsjo/llvm-mingw/releases/download/${LLVM_MINGW_RELEASE}/${LLVM_MINGW_PKG}.zip"
-        $LLVM_MINGW_DL_SHA512 = "880429f4ef91cb079d64bfb56ef02ca1170cecc082c229d7fb6b02f4ed70a70e64d18e7ca61e95c47e483a970fb3996c5265c95c2dc118bb2fc97e28fd36c2e7"
+        $LLVM_MINGW_DL_SHA512 = "1dd3b107e58d7757f176eec7e5d4079ee63543153f2c1327c9b46e86eb9989271757977b9c88a74af57b70007edfe5e2365787e2a057af27656d66ba72e2fb28"
 
         $LLVM_MINGW_DL_BASEDIR = "${{ github.workspace }}\dl"
         $LLVM_MINGW_DL_PATH = "${LLVM_MINGW_DL_BASEDIR}\llvm-mingw.zip"