Gemfile.lock in outboxable-0.1.8 vs Gemfile.lock in outboxable-1.0.0

@@ -1,11 +1,12 @@
 PATH
   remote: .
   specs:
-    outboxable (0.1.8)
+    outboxable (1.0.0)
       bunny (>= 2.19.0)
       connection_pool (~> 2.3.0)
+      simple_enum (>= 2.3)
 
 GEM
   remote: https://rubygems.org/
   specs:
     activesupport (7.0.4.3)
@@ -82,9 +83,11 @@
       redis-client (>= 0.11.0)
     sidekiq-cron (1.10.0)
       fugit (~> 1.8)
       globalid (>= 1.0.1)
       sidekiq (>= 6)
+    simple_enum (2.3.2)
+      activesupport (>= 4.0.0)
     sorted_set (1.0.3)
       rbtree
       set (~> 1.0)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)