Gemfile.lock in hash_serializer-0.1.1 vs Gemfile.lock in hash_serializer-0.2.0

@@ -1,20 +1,31 @@
 PATH
   remote: .
   specs:
-    hash_serializer (0.1.1)
+    hash_serializer (0.2.0)
 
 GEM
   remote: https://rubygems.org/
   specs:
+    activemodel (4.2.6)
+      activesupport (= 4.2.6)
+      builder (~> 3.1)
+    activerecord (4.2.6)
+      activemodel (= 4.2.6)
+      activesupport (= 4.2.6)
+      arel (~> 6.0)
+    activerecord-nulldb-adapter (0.3.2)
+      activerecord (>= 2.0.0)
     activesupport (4.2.6)
       i18n (~> 0.7)
       json (~> 1.7, >= 1.7.7)
       minitest (~> 5.1)
       thread_safe (~> 0.3, >= 0.3.4)
       tzinfo (~> 1.1)
+    arel (6.0.3)
     ast (2.2.0)
+    builder (3.2.2)
     codeclimate-test-reporter (0.4.8)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.1)
     diff-lcs (1.2.5)
     docile (1.1.5)
@@ -86,10 +97,11 @@
       docile (~> 1.1.0)
       json (~> 1.8)
       simplecov-html (~> 0.10.0)
     simplecov-html (0.10.0)
     slop (3.6.0)
+    sqlite3 (1.3.11)
     thor (0.19.1)
     thread_safe (0.3.5)
     tzinfo (1.2.2)
       thread_safe (~> 0.1)
     unicode-display_width (1.0.3)
@@ -97,19 +109,22 @@
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
+  activerecord (~> 4.2.6)
+  activerecord-nulldb-adapter (~> 0.3.2)
   activesupport (~> 4.2, >= 4.2.4)
   bundler (~> 1.11)
   codeclimate-test-reporter (~> 0.4.8)
   guard-rspec (~> 4.6, >= 4.6.5)
   guard-rubocop (~> 1.2, >= 1.2.0)
   hash_serializer!
   rake (~> 10.0)
   rspec (~> 3.0)
   rubocop (~> 0.39.0)
   simplecov (~> 0.11.2)
+  sqlite3 (~> 1.3.11)
   yard (~> 0.8.7.6)
 
 BUNDLED WITH
    1.11.2