diff --git a/Gemfile.lock b/Gemfile.lock
index 41673fe..2f351a8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -43,6 +43,7 @@ GEM
     arel (8.0.0)
     autoprefixer-rails (7.1.6)
       execjs
+    bcrypt (3.1.11)
     bcrypt (3.1.11-x86-mingw32)
     bindex (0.5.0)
     bootstrap-sass (3.3.7)
@@ -80,6 +81,7 @@ GEM
       warden (~> 1.2.3)
     erubi (1.7.0)
     execjs (2.7.0)
+    ffi (1.9.18)
     ffi (1.9.18-x86-mingw32)
     globalid (0.4.1)
       activesupport (>= 4.2.0)
@@ -111,15 +113,18 @@ GEM
     minitest (5.10.3)
     multi_json (1.12.2)
     nio4r (2.1.0)
+    nokogiri (1.8.1)
+      mini_portile2 (~> 2.3.0)
     nokogiri (1.8.1-x86-mingw32)
       mini_portile2 (~> 2.3.0)
     orm_adapter (0.5.0)
+    pg (0.21.0)
     pg (0.21.0-x86-mingw32)
     public_suffix (3.0.1)
     puma (3.10.0)
-    rack (2.0.3)
-    rack-test (0.7.1)
-      rack (>= 1.0, < 3)
+    rack (2.2.4)
+    rack-test (2.0.2)
+      rack (>= 1.3)
     rails (5.1.4)
       actioncable (= 5.1.4)
       actionmailer (= 5.1.4)
@@ -173,6 +178,7 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
+    sqlite3 (1.3.13)
     sqlite3 (1.3.13-x86-mingw32)
     thor (0.20.0)
     thread_safe (0.3.6)
@@ -180,7 +186,7 @@ GEM
     turbolinks (5.0.1)
       turbolinks-source (~> 5)
     turbolinks-source (5.0.3)
-    tzinfo (1.2.4)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     tzinfo-data (1.2017.3)
       tzinfo (>= 1.0.0)
@@ -203,6 +209,7 @@ GEM
       nokogiri (~> 1.3)
 
 PLATFORMS
+  ruby
   x86-mingw32
 
 DEPENDENCIES