diff --git a/images/windows/toolsets/toolset-2025.json b/images/windows/toolsets/toolset-2025.json
index 81a8c4c32..e2645e105 100644
--- a/images/windows/toolsets/toolset-2025.json
+++ b/images/windows/toolsets/toolset-2025.json
@@ -318,7 +318,7 @@
         "signature": "A5BBE2A6DA1D2A6E057EF870267E6A91E4D56BAA"
     },
     "llvm": {
-        "version": "19"
+        "version": "20"
     },
     "php": {
         "version": "8.4"