diff --git a/Rakefile b/Rakefile
index ae55317..fd6f0d8 100644
--- a/Rakefile
+++ b/Rakefile
@@ -1,3 +1,5 @@
+require 'bundler/setup'
+
 require 'sequel'
 require 'sqlite3'
 
diff --git a/db/migrations/0001_add_items_table.rb b/db/migrations/0001_add_items_table.rb
index 86f67ad..8cdd701 100644
--- a/db/migrations/0001_add_items_table.rb
+++ b/db/migrations/0001_add_items_table.rb
@@ -10,8 +10,8 @@ Sequel.migration do
       String :type
       String :purchased_from
       DateTime :purchased_at
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
   end
 
diff --git a/db/migrations/0002_add_item_comments_table.rb b/db/migrations/0002_add_item_comments_table.rb
index 5620a75..97ceb3a 100644
--- a/db/migrations/0002_add_item_comments_table.rb
+++ b/db/migrations/0002_add_item_comments_table.rb
@@ -4,8 +4,8 @@ Sequel.migration do
     create_table(:item_comments) do
       primary_key :id
       String :body, null: false
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
 
     alter_table(:item_comments) do
diff --git a/db/migrations/0004_add_license_comments_table.rb b/db/migrations/0004_add_license_comments_table.rb
index 32e6687..21bf074 100644
--- a/db/migrations/0004_add_license_comments_table.rb
+++ b/db/migrations/0004_add_license_comments_table.rb
@@ -4,12 +4,12 @@ Sequel.migration do
     create_table(:license_comments) do
       primary_key :id
       String :body, null: false
-      DateTime :created_at
-      DateTime :updated_at
+      DateTime :created_at, default: Sequel::CURRENT_TIMESTAMP
+      DateTime :updated_at, default: Sequel::CURRENT_TIMESTAMP
     end
 
     alter_table(:license_comments) do
-      add_foreign_key :license_id, :items
+      add_foreign_key :license_id, :licenses
     end
   end