diff --git a/recipe_modules/adhoc_validation/__init__.py b/recipe_modules/adhoc_validation/__init__.py
index 80ac1c5..5ab5be1 100644
--- a/recipe_modules/adhoc_validation/__init__.py
+++ b/recipe_modules/adhoc_validation/__init__.py
@@ -1,4 +1,5 @@
 DEPS = [
+    'flutter/bucket_util',
     'flutter/firebase',
     'flutter/flutter_deps',
     'flutter/kms',
diff --git a/recipe_modules/adhoc_validation/api.py b/recipe_modules/adhoc_validation/api.py
index 1881191..b036157 100644
--- a/recipe_modules/adhoc_validation/api.py
+++ b/recipe_modules/adhoc_validation/api.py
@@ -62,6 +62,7 @@
           self.m.test_utils.run_test(validation, [resource_name])
           if validation == 'docs' and self.m.properties.get('firebase_project'):
             docs_path = checkout_path.join('dev', 'docs')
+            self.m.bucket_util.upload_folder('Upload API Docs', docs_path, 'doc', "api_docs.zip")
             project = self.m.properties.get('firebase_project')
             self.m.firebase.deploy_docs(
                 env=env,
diff --git a/recipe_modules/adhoc_validation/examples/full.expected/linux.json b/recipe_modules/adhoc_validation/examples/full.expected/linux.json
index da960ab..f91dc9d 100644
--- a/recipe_modules/adhoc_validation/examples/full.expected/linux.json
+++ b/recipe_modules/adhoc_validation/examples/full.expected/linux.json
@@ -75,6 +75,67 @@
   },
   {
     "cmd": [
+      "python",
+      "RECIPE_MODULE[flutter::zip]/resources/zip.py"
+    ],
+    "env": {
+      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
+      "GIT_BRANCH": "",
+      "LUCI_BRANCH": "",
+      "LUCI_CI": "True",
+      "LUCI_PR": "",
+      "OS": "linux",
+      "PUB_CACHE": "[START_DIR]/.pub-cache",
+      "REVISION": "",
+      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
+    },
+    "env_prefixes": {
+      "PATH": [
+        "[START_DIR]/flutter sdk/bin",
+        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
+      ]
+    },
+    "name": "Docs.Zip doc",
+    "stdin": "{\"entries\": [{\"path\": \"[START_DIR]/flutter sdk/dev/docs/doc\", \"type\": \"dir\"}], \"output\": \"[CLEANUP]/tmp_tmp_1/api_docs.zip\", \"root\": \"[START_DIR]/flutter sdk/dev/docs\"}",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
+    "cmd": [
+      "vpython3",
+      "-u",
+      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
+      "--json-output",
+      "/path/to/tmp/json",
+      "rmtree",
+      "[CLEANUP]/tmp_tmp_1"
+    ],
+    "env": {
+      "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
+      "GIT_BRANCH": "",
+      "LUCI_BRANCH": "",
+      "LUCI_CI": "True",
+      "LUCI_PR": "",
+      "OS": "linux",
+      "PUB_CACHE": "[START_DIR]/.pub-cache",
+      "REVISION": "",
+      "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk"
+    },
+    "env_prefixes": {
+      "PATH": [
+        "[START_DIR]/flutter sdk/bin",
+        "[START_DIR]/flutter sdk/bin/cache/dart-sdk/bin"
+      ]
+    },
+    "infra_step": true,
+    "name": "Docs.temp dir for Upload API Docs",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
+    "cmd": [
       "luci-auth",
       "token",
       "-scopes",
@@ -114,7 +175,7 @@
       "/path/to/tmp/json",
       "copy",
       "extra.secret.token.should.not.be.logged",
-      "[CLEANUP]/tmp_tmp_1"
+      "[CLEANUP]/tmp_tmp_2"
     ],
     "env": {
       "DEPOT_TOOLS": "RECIPE_REPO[depot_tools]",
@@ -164,7 +225,7 @@
       "PUB_CACHE": "[START_DIR]/.pub-cache",
       "REVISION": "",
       "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk",
-      "TOKEN_PATH": "[CLEANUP]/tmp_tmp_1"
+      "TOKEN_PATH": "[CLEANUP]/tmp_tmp_2"
     },
     "env_prefixes": {
       "PATH": [
@@ -193,7 +254,7 @@
       "PUB_CACHE": "[START_DIR]/.pub-cache",
       "REVISION": "",
       "SDK_CHECKOUT_PATH": "[START_DIR]/flutter sdk",
-      "TOKEN_PATH": "[CLEANUP]/tmp_tmp_1"
+      "TOKEN_PATH": "[CLEANUP]/tmp_tmp_2"
     },
     "env_prefixes": {
       "PATH": [
diff --git a/recipe_modules/bucket_util/api.py b/recipe_modules/bucket_util/api.py
index e7b1d40..264f98e 100644
--- a/recipe_modules/bucket_util/api.py
+++ b/recipe_modules/bucket_util/api.py
@@ -72,7 +72,8 @@
       remote_name = '%s/%s' % (platform, zip_name) if platform else zip_name
       local_zip = temp_dir.join(zip_name)
       remote_zip = self.get_cloud_path(remote_name)
-      parent_directory = self.m.path['cache'].join('builder', parent_directory)
+      if isinstance(parent_directory, str):
+        parent_directory = self.m.path['cache'].join('builder', parent_directory)
       pkg = self.m.zip.make_package(parent_directory, local_zip)
       pkg.add_directory(parent_directory.join(folder_name))