diff --git a/Gemfile.lock b/Gemfile.lock
index 546472b..0ed80e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    lt-google-api (0.1.1)
+    lt-google-api (0.2.1)
       google-api-client
       googleauth
 
@@ -14,9 +14,10 @@ GEM
     childprocess (4.0.0)
     declarative (0.0.20)
     declarative-option (0.1.0)
-    faraday (1.0.1)
+    faraday (1.2.0)
       multipart-post (>= 1.2, < 3)
-    google-api-client (0.46.1)
+      ruby2_keywords
+    google-api-client (0.52.0)
       addressable (~> 2.5, >= 2.5.1)
       googleauth (~> 0.9)
       httpclient (>= 2.8.1, < 3.0)
@@ -43,13 +44,13 @@ GEM
     overcommit (0.57.0)
       childprocess (>= 0.6.3, < 5)
       iniparse (~> 1.4)
-    parallel (1.19.2)
+    parallel (1.20.1)
     parser (2.7.2.0)
       ast (~> 2.4.1)
     public_suffix (4.0.6)
     rainbow (3.0.0)
-    rake (13.0.1)
-    regexp_parser (1.8.2)
+    rake (13.0.3)
+    regexp_parser (2.0.1)
     representable (3.0.4)
       declarative (< 0.1.0)
       declarative-option (< 0.2.0)
@@ -65,9 +66,10 @@ GEM
       rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
-    rubocop-ast (0.8.0)
+    rubocop-ast (1.3.0)
       parser (>= 2.7.1.5)
     ruby-progressbar (1.10.1)
+    ruby2_keywords (0.0.2)
     signet (0.14.0)
       addressable (~> 2.3)
       faraday (>= 0.17.3, < 2.0)
diff --git a/lib/lt/google/api/drive.rb b/lib/lt/google/api/drive.rb
index e630f29..7b0d709 100644
--- a/lib/lt/google/api/drive.rb
+++ b/lib/lt/google/api/drive.rb
@@ -37,7 +37,7 @@ def copy(file_ids, folder_id)
               else
                 service.copy_file(
                   id,
-                  Google::Apis::DriveV3::File.new(name: f.name, parents: [folder_id]),
+                  ::Google::Apis::DriveV3::File.new(name: f.name, parents: [folder_id]),
                   supports_all_drives: true
                 )
               end
@@ -62,7 +62,7 @@ def copy_files(folder_id, target_id)
             next if current_files.detect { |f| f.name == file.name }
 
             # copy if it's a new file
-            new_file = Google::Apis::DriveV3::File.new(name: file.name, parents: [target_id])
+            new_file = ::Google::Apis::DriveV3::File.new(name: file.name, parents: [target_id])
             service.copy_file(file.id, new_file, supports_all_drives: true)
           end
         end