diff --git a/META-INF/com/google/android/updater-script b/META-INF/com/google/android/updater-script
index be1f5f2..dfa796b 100644
--- a/META-INF/com/google/android/updater-script
+++ b/META-INF/com/google/android/updater-script
@@ -3,4 +3,4 @@
 # Dummy file; update-binary is a shell script (DO NOT CHANGE)
 #
 #
-# AK_BASE_VERSION=20211206
+# AK_BASE_VERSION=20211207
diff --git a/tools/ak3-core.sh b/tools/ak3-core.sh
index d1c7e68..4350428 100755
--- a/tools/ak3-core.sh
+++ b/tools/ak3-core.sh
@@ -457,6 +457,9 @@ flash_generic() {
   fi;
 }
 
+# flash_dtbo (backwards compatibility for flash_generic)
+flash_dtbo() { flash_generic dtbo; }
+
 ### write_boot (repack ramdisk then build, sign and write image, vendor_dlkm and dtbo)
 write_boot() {
   flash_generic vendor_dlkm; # TODO: move below boot once resizing is supported