diff --git a/tools/finalization/localonly-finalize-mainline-sdk.sh b/tools/finalization/localonly-finalize-mainline-sdk.sh
index fc887c3..26af30e 100755
--- a/tools/finalization/localonly-finalize-mainline-sdk.sh
+++ b/tools/finalization/localonly-finalize-mainline-sdk.sh
@@ -6,11 +6,15 @@
     local top="$(dirname "$0")"/../../../..
     source $top/build/make/tools/finalization/environment.sh
 
-    # Build modules SDKs.
+    # Build Platform SDKs.
+    $top/build/soong/soong_ui.bash --make-mode TARGET_PRODUCT=sdk TARGET_BUILD_VARIANT=userdebug sdk dist sdk_repo
+
+    # Build Modules SDKs.
     TARGET_BUILD_VARIANT=userdebug UNBUNDLED_BUILD_SDKS_FROM_SOURCE=true "$top/vendor/google/build/mainline_modules_sdks.sh"
 
     # Update prebuilts.
     "$top/prebuilts/build-tools/path/linux-x86/python3" "$top/packages/modules/common/tools/finalize_sdk.py" -l -b 0 -f ${FINAL_MAINLINE_EXTENSION} -r '' 0
+    # "$top/prebuilts/build-tools/path/linux-x86/python3" "$top/prebuilts/sdk/update_prebuilts.py" --local_mode -f ${FINAL_PLATFORM_SDK_VERSION} -e ${FINAL_MAINLINE_EXTENSION} --bug 1 1
 }
 
 finalize_locally_mainline_sdk