No need for this to be in a transaction

If you update the name by itself, it is fine. We generally want to be
very careful about having txn spans, since all the work done within them
will block the sqlite writer.

app/controllers/buckets_controller.rb

@@ -20,10 +20,8 @@ class BucketsController < ApplicationController
   end
 
   def update
-    @bucket.transaction do
-      @bucket.update! bucket_params
-      @bucket.accesses.revise granted: grantees, revoked: revokees
-    end
+    @bucket.update! bucket_params
+    @bucket.accesses.revise granted: grantees, revoked: revokees
 
     redirect_to bucket_bubbles_path(@bucket)
   end