diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8dcc2bc65..cb2fe0053 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -15,6 +15,11 @@
 
 cmake_minimum_required(VERSION 3.13.4)
 
+# Enable universal binaries on modern Apple platforms.
+IF(APPLE)
+  SET(CMAKE_OSX_ARCHITECTURES "x86_64;arm64" CACHE STRING "Build architectures for Mac OS X" FORCE)
+ENDIF(APPLE)
+
 if(NOT COMMAND find_host_package)
   macro(find_host_package)
     find_package(${ARGN})
diff --git a/deps.json b/deps.json
index 9fb0274f8..7a074969c 100644
--- a/deps.json
+++ b/deps.json
@@ -6,7 +6,7 @@
       "subrepo" : "llvm/llvm-project",
       "branch" : "main",
       "subdir" : "third_party/llvm",
-      "commit" : "5910150140cd5e781e7827d160ddce0a146cddd4"
+      "commit" : "308ca349cbc5fa891b08c525084fc86017bdc498"
     },
     {
       "name" : "SPIRV-Headers",