diff --git a/build/build-clang/clang-win32.json b/build/build-clang/clang-win32.json
index c85eac21e216..32beb3800420 100644
--- a/build/build-clang/clang-win32.json
+++ b/build/build-clang/clang-win32.json
@@ -1,5 +1,5 @@
 {
-    "llvm_revision": "293859",
+    "llvm_revision": "311608",
     "stages": "3",
     "build_libcxx": false,
     "build_type": "Release",
diff --git a/build/build-clang/clang-win64.json b/build/build-clang/clang-win64.json
index 170844e33098..f90596c5add4 100644
--- a/build/build-clang/clang-win64.json
+++ b/build/build-clang/clang-win64.json
@@ -1,5 +1,5 @@
 {
-    "llvm_revision": "293859",
+    "llvm_revision": "311608",
     "stages": "3",
     "build_libcxx": false,
     "build_type": "Release",