diff --git a/Gemfile.lock b/Gemfile.lock
index 0f4c00f..a888812 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,8 +1,11 @@
 GEM
   remote: http://rubygems.org/
   specs:
-    addressable (2.2.6)
-    bcrypt-ruby (3.0.1)
+    addressable (2.7.0)
+      public_suffix (>= 2.0.2, < 5.0)
+    bcrypt (3.1.13)
+    bcrypt-ruby (3.1.5)
+      bcrypt (>= 3.1.3)
     data_objects (0.10.7)
       addressable (~> 2.1)
     datamapper (1.2.0)
@@ -19,8 +22,8 @@ GEM
       dm-core (~> 1.2.0)
     dm-constraints (1.2.0)
       dm-core (~> 1.2.0)
-    dm-core (1.2.0)
-      addressable (~> 2.2.6)
+    dm-core (1.2.1)
+      addressable (~> 2.3)
     dm-do-adapter (1.2.0)
       data_objects (~> 0.10.6)
       dm-core (~> 1.2.0)
@@ -29,12 +32,12 @@ GEM
     dm-postgres-adapter (1.2.0)
       dm-do-adapter (~> 1.2.0)
       do_postgres (~> 0.10.6)
-    dm-serializer (1.2.1)
+    dm-serializer (1.2.2)
       dm-core (~> 1.2.0)
-      fastercsv (~> 1.5.4)
-      json (~> 1.6.1)
-      json_pure (~> 1.6.1)
-      multi_json (~> 1.0.3)
+      fastercsv (~> 1.5)
+      json (~> 1.6)
+      json_pure (~> 1.6)
+      multi_json (~> 1.0)
     dm-sqlite-adapter (1.2.0)
       dm-do-adapter (~> 1.2.0)
       do_sqlite3 (~> 0.10.6)
@@ -42,14 +45,14 @@ GEM
       dm-core (~> 1.2.0)
     dm-transactions (1.2.0)
       dm-core (~> 1.2.0)
-    dm-types (1.2.1)
-      bcrypt-ruby (~> 3.0.0)
+    dm-types (1.2.2)
+      bcrypt-ruby (~> 3.0)
       dm-core (~> 1.2.0)
-      fastercsv (~> 1.5.4)
-      json (~> 1.6.1)
-      multi_json (~> 1.0.3)
-      stringex (~> 1.3.0)
-      uuidtools (~> 2.1.2)
+      fastercsv (~> 1.5)
+      json (~> 1.6)
+      multi_json (~> 1.0)
+      stringex (~> 1.4)
+      uuidtools (~> 2.1)
     dm-validations (1.2.0)
       dm-core (~> 1.2.0)
     do_postgres (0.10.7)
@@ -57,10 +60,11 @@ GEM
     do_sqlite3 (0.10.7)
       data_objects (= 0.10.7)
     erubis (2.7.0)
-    fastercsv (1.5.4)
-    json (1.6.1)
-    json_pure (1.6.1)
-    multi_json (1.0.3)
+    fastercsv (1.5.5)
+    json (1.8.6)
+    json_pure (1.8.6)
+    multi_json (1.14.0)
+    public_suffix (4.0.1)
     rack (1.3.5)
     rack-protection (1.1.4)
       rack
@@ -68,9 +72,9 @@ GEM
       rack (~> 1.3, >= 1.3.4)
       rack-protection (~> 1.1, >= 1.1.2)
       tilt (~> 1.3, >= 1.3.3)
-    stringex (1.3.0)
+    stringex (1.5.1)
     tilt (1.3.3)
-    uuidtools (2.1.2)
+    uuidtools (2.1.5)
 
 PLATFORMS
   ruby