diff --git a/.travis.yml b/.travis.yml
index 46d4ee720..6dd5f4fcf 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -50,3 +50,6 @@ notifications:
     on_success: always
     on_failure: always
     use_notice: false
+
+before_install:
+  - gem update --system #  todo: workaround for https://github.com/rubygems/rubygems/pull/763
diff --git a/lib/fog/digitalocean/requests/compute/destroy_server.rb b/lib/fog/digitalocean/requests/compute/destroy_server.rb
index 987e09aa9..c86af6801 100644
--- a/lib/fog/digitalocean/requests/compute/destroy_server.rb
+++ b/lib/fog/digitalocean/requests/compute/destroy_server.rb
@@ -12,7 +12,7 @@ module Fog
             :method   => 'GET',
             :path     => "droplets/#{id}/destroy",
             # We scrub data so future users can't read our disks.
-            :query    => {:scrub_data => '1' },
+            :query    => {:scrub_data => '1' }
           )
         end
 
diff --git a/lib/fog/google/requests/compute/set_metadata.rb b/lib/fog/google/requests/compute/set_metadata.rb
index 9fba9a7c7..dd4b9e4ea 100644
--- a/lib/fog/google/requests/compute/set_metadata.rb
+++ b/lib/fog/google/requests/compute/set_metadata.rb
@@ -25,7 +25,7 @@ module Fog
           result = self.build_result(
             api_method,
             parameters,
-            body_object=body_object,
+            body_object=body_object
           )
           response = self.build_response(result)
         end