diff --git a/Gemfile b/Gemfile
index cd10423..393df76 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,9 +9,9 @@ gem 'data_objects'
 
 
 #active record
-gem 'activerecord'
+gem 'activerecord', '>= 3.2.11'
 gem  'activerecord-mysql2-adapter'
 
 #test data
-gem 'faker'
+gem 'faker', '>= 1.1.2'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 9189b72..11b0ce6 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,23 +1,23 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    activemodel (3.2.11)
-      activesupport (= 3.2.11)
-      builder (~> 3.0.0)
-    activerecord (3.2.11)
-      activemodel (= 3.2.11)
-      activesupport (= 3.2.11)
-      arel (~> 3.0.2)
-      tzinfo (~> 0.3.29)
+    activemodel (5.2.1)
+      activesupport (= 5.2.1)
+    activerecord (5.2.1)
+      activemodel (= 5.2.1)
+      activesupport (= 5.2.1)
+      arel (>= 9.0)
     activerecord-mysql2-adapter (0.0.3)
       mysql2
-    activesupport (3.2.11)
-      i18n (~> 0.6)
-      multi_json (~> 1.0)
+    activesupport (5.2.1)
+      concurrent-ruby (~> 1.0, >= 1.0.2)
+      i18n (>= 0.7, < 2)
+      minitest (~> 5.1)
+      tzinfo (~> 1.1)
     addressable (2.2.8)
-    arel (3.0.2)
+    arel (9.0.0)
     bcrypt-ruby (3.0.1)
-    builder (3.0.4)
+    concurrent-ruby (1.1.3)
     data_objects (0.10.12)
       addressable (~> 2.1)
     datamapper (1.2.0)
@@ -66,27 +66,34 @@ GEM
       dm-core (~> 1.2.0)
     do_mysql (0.10.12)
       data_objects (= 0.10.12)
-    faker (1.1.2)
-      i18n (~> 0.5)
+    faker (1.9.1)
+      i18n (>= 0.7)
     fastercsv (1.5.5)
-    i18n (0.6.1)
+    i18n (1.1.1)
+      concurrent-ruby (~> 1.0)
     json (1.7.6)
     json_pure (1.7.6)
-    multi_json (1.5.0)
+    minitest (5.11.3)
+    multi_json (1.13.1)
     mysql2 (0.3.11)
     stringex (1.5.1)
-    tzinfo (0.3.35)
+    thread_safe (0.3.6)
+    tzinfo (1.2.5)
+      thread_safe (~> 0.1)
     uuidtools (2.1.3)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
-  activerecord
+  activerecord (>= 3.2.11)
   activerecord-mysql2-adapter
   data_objects
   datamapper
   dm-migrations
   dm-mysql-adapter
   dm-transactions
-  faker
+  faker (>= 1.1.2)
+
+BUNDLED WITH
+   1.16.6