diff --git a/rasta_exp/grunt-worker.py b/rasta_exp/grunt-worker.py
index 82e7b6a..4d3542d 100755
--- a/rasta_exp/grunt-worker.py
+++ b/rasta_exp/grunt-worker.py
@@ -203,9 +203,17 @@ if __name__ == "__main__":
     parser.add_argument(
         "--task", help="[debug] Name of the task to perform", type=str, action="store"
     )
-    parser.add_argument(
+    app_group = parser.add_mutually_exclusive_group()
+    app_group.add_argument(
         "--sha", help="[debug] sha to make the --task on", type=str, action="store"
     )
+    app_group.add_argument(
+        "--apk-path",
+        help="[debug] apk to make the --task on",
+        type=Path,
+        action="store",
+    )
+
     group = parser.add_mutually_exclusive_group(required=True)
     group.add_argument("--docker", action="store_true")
     group.add_argument("--singularity", action="store_true")
@@ -224,7 +232,7 @@ if __name__ == "__main__":
     result_dir = args.result_dir
     if result_dir is None:
         result_dir = base_dir
-    
+
     # base_dir = os.path.join(base_dir, str(uuid.uuid4()))
     if not os.path.isdir(base_dir):
         os.makedirs(base_dir)
@@ -303,20 +311,26 @@ if __name__ == "__main__":
             raise Exception("Debug mode must be used with BOTH --task and --sha")
         task = args.task
         # sha = str(args.sha).upper() # TMP patch
-        sha = str(args.sha)
-        if len(sha) != 64:
+        # sha = str(args.sha)
+        if args.sha is not None and len(args.sha) != 64:
             # raise Exception("invalid --sha value")
             print("invalid --sha value, exception disabled for tests")
-        apk_blob = get_apk_from_androzoo(
-            sha256=sha,
-            apikey=androzoo_apikey,
-            base_url=androzoo_base_url,
-            reraise=False,
-            local_cache=androzoo_local_cache,
-        )
-        if apk_blob is None:
-            print(f"Unable to obtain apk for sha={sha}")
+        if args.sha is not None:
+            apk_blob = get_apk_from_androzoo(
+                sha256=args.sha,
+                apikey=androzoo_apikey,
+                base_url=androzoo_base_url,
+                reraise=False,
+                local_cache=androzoo_local_cache,
+            )
+            sha = args.sha
+            if apk_blob is None:
+                print(f"Unable to obtain apk for sha={sha}")
         else:
+            with args.apk_path.open("rb") as fp:
+                apk_blob = fp.read()
+            sha = args.apk_path.name.removesuffix(".apk")  # no a sha, but good enough
+        if apk_blob is not None:
             # do_one_job(sha256: str, tool_name: str, base_dir: str, apk_blob, container_mode, container_image, keep_tmp_dir=False):
             res = do_one_job(
                 sha256=sha,