diff --git a/tools/releasetools/merge_ota.py b/tools/releasetools/merge_ota.py
index fb5957a..e8732a2 100644
--- a/tools/releasetools/merge_ota.py
+++ b/tools/releasetools/merge_ota.py
@@ -226,9 +226,21 @@
     logger.setLevel(logging.INFO)
 
   logger.info(args)
+  if args.java_path:
+    common.OPTIONS.java_path = args.java_path
+
   if args.search_path:
     common.OPTIONS.search_path = args.search_path
 
+  if args.signapk_path:
+    common.OPTIONS.signapk_path = args.signapk_path
+
+  if args.extra_signapk_args:
+    common.OPTIONS.extra_signapk_args = args.extra_signapk_args
+
+  if args.signapk_shared_library_path:
+    common.OPTIONS.signapk_shared_library_path = args.signapk_shared_library_path
+
   metadata_ota = args.packages[-1]
   if args.metadata_ota is not None:
     metadata_ota = args.metadata_ota
diff --git a/tools/releasetools/ota_signing_utils.py b/tools/releasetools/ota_signing_utils.py
index 60c8c94..9d04c3b 100644
--- a/tools/releasetools/ota_signing_utils.py
+++ b/tools/releasetools/ota_signing_utils.py
@@ -23,10 +23,18 @@
 
 
 def AddSigningArgumentParse(parser: argparse.ArgumentParser):
+  parser.add_argument('--java_path', type=str,
+                      help='Path to JVM if other than default')
   parser.add_argument('--package_key', type=str,
                       help='Paths to private key for signing payload')
   parser.add_argument('--search_path', '--path', type=str,
                       help='Search path for framework/signapk.jar')
+  parser.add_argument('--signapk_path', type=str,
+                      help='Path to signapk.jar, relative to search_path')
+  parser.add_argument('--extra_signapk_args', type=ParseSignerArgs,
+                      help='Extra arguments for signapk.jar')
+  parser.add_argument('--signapk_shared_library_path', type=str,
+                      help='Path to lib64 libraries used by signapk.jar')
   parser.add_argument('--payload_signer', type=str,
                       help='Path to custom payload signer')
   parser.add_argument('--payload_signer_args', type=ParseSignerArgs,