Index: libraries/osx/build-osx-libs.sh
===================================================================
--- libraries/osx/build-osx-libs.sh
+++ libraries/osx/build-osx-libs.sh
@@ -48,6 +48,7 @@
 MINIUPNPC_VERSION="miniupnpc-2.2.2"
 SODIUM_VERSION="libsodium-1.0.18"
 FMT_VERSION="7.1.3"
+MOLTENVK_VERSION="1.2.1"
 # --------------------------------------------------------------
 # Bundled with the game:
 # * SpiderMonkey
@@ -1039,6 +1040,33 @@
 fi
 popd > /dev/null
 
+# --------------------------------------------------------------
+echo -e "Building Molten VK..."
+LIB_DIRECTORY="MoltenVK-$MOLTENVK_VERSION"
+LIB_ARCHIVE="MoltenVK-$MOLTENVK_VERSION.tar.gz"
+LIB_URL="https://releases.wildfiregames.com/libs/"
+
+mkdir -p "molten-vk"
+pushd "molten-vk" > /dev/null
+if [[ "$force_rebuild" = "true" ]] || [[ ! -e .already-built ]] || [[ "$(<.already-built)" != "$MOLTENVK_VERSION" ]]
+then
+  INSTALL_DIR="../../../../binaries/system/"
+  rm -f .already-built
+  download_lib $LIB_URL $LIB_ARCHIVE
+  rm -rf "$LIB_DIRECTORY"
+  tar -xf $LIB_ARCHIVE
+  pushd $LIB_DIRECTORY
+  # The CI cannot build MoltenVK so we provide prebuild binaries instead.
+  # Use mv instead of copy to preserve binary integrity. See
+  # https://developer.apple.com/forums/thread/130313?answerId=410541022#410541022
+  mv dylib/libMoltenVK.dylib $INSTALL_DIR
+  popd > /dev/null
+  echo "$MOLTENVK_VERSION" > .already-built
+else
+  already_built
+fi
+popd > /dev/null
+
 # --------------------------------------------------------------------
 # The following libraries are shared on different OSes and may
 # be customized, so we build and install them from bundled sources
Index: source/tools/dist/build-osx-bundle.py
===================================================================
--- source/tools/dist/build-osx-bundle.py
+++ source/tools/dist/build-osx-bundle.py
@@ -60,6 +60,7 @@
 print("Copying libs")
 shutil.copy("binaries/system/libAtlasUI.dylib", BUNDLE_FRAMEWORKS)
 shutil.copy("binaries/system/libCollada.dylib", BUNDLE_FRAMEWORKS)
+shutil.copy("binaries/system/libMoltenVK.dylib", BUNDLE_FRAMEWORKS)
 
 if not args.dev:
     print("Copying archived game data from archives/")