diff --git a/Gemfile b/Gemfile
index c24895e..008c909 100644
--- a/Gemfile
+++ b/Gemfile
@@ -2,7 +2,7 @@
 source "https://rubygems.org"
 
 #don't upgrade
-gem "rails", "5.1.4"
+gem "rails", "5.1.5"
 
 ruby "2.4.3"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 37cf9da..502307f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,39 +1,39 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.1.4)
-      actionpack (= 5.1.4)
+    actioncable (5.1.5)
+      actionpack (= 5.1.5)
       nio4r (~> 2.0)
       websocket-driver (~> 0.6.1)
-    actionmailer (5.1.4)
-      actionpack (= 5.1.4)
-      actionview (= 5.1.4)
-      activejob (= 5.1.4)
+    actionmailer (5.1.5)
+      actionpack (= 5.1.5)
+      actionview (= 5.1.5)
+      activejob (= 5.1.5)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.4)
-      actionview (= 5.1.4)
-      activesupport (= 5.1.4)
+    actionpack (5.1.5)
+      actionview (= 5.1.5)
+      activesupport (= 5.1.5)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.4)
-      activesupport (= 5.1.4)
+    actionview (5.1.5)
+      activesupport (= 5.1.5)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.4)
-      activesupport (= 5.1.4)
+    activejob (5.1.5)
+      activesupport (= 5.1.5)
       globalid (>= 0.3.6)
-    activemodel (5.1.4)
-      activesupport (= 5.1.4)
-    activerecord (5.1.4)
-      activemodel (= 5.1.4)
-      activesupport (= 5.1.4)
+    activemodel (5.1.5)
+      activesupport (= 5.1.5)
+    activerecord (5.1.5)
+      activemodel (= 5.1.5)
+      activesupport (= 5.1.5)
       arel (~> 8.0)
-    activesupport (5.1.4)
+    activesupport (5.1.5)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (~> 0.7)
       minitest (~> 5.1)
@@ -62,7 +62,7 @@ GEM
     bundler-audit (0.6.0)
       bundler (~> 1.2)
       thor (~> 0.18)
-    capybara (2.17.0)
+    capybara (2.18.0)
       addressable
       mini_mime (>= 0.1.3)
       nokogiri (>= 1.3.3)
@@ -109,7 +109,7 @@ GEM
     erubi (1.7.0)
     eventmachine (1.2.5)
     execjs (2.7.0)
-    ffi (1.9.18)
+    ffi (1.9.21)
     foreman (0.84.0)
       thor (~> 0.19.1)
     formatador (0.2.5)
@@ -142,7 +142,7 @@ GEM
       guard (>= 2.0.0)
       guard-compat (~> 1.0)
     http_parser.rb (0.6.0)
-    i18n (0.9.3)
+    i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jquery-fileupload-rails (0.4.7)
       actionpack (>= 3.1)
@@ -161,7 +161,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.1.1)
+    loofah (2.2.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     lumberjack (1.0.12)
@@ -182,8 +182,8 @@ GEM
       nenv (~> 0.1)
       shellany (~> 0.0)
     parallel (1.12.1)
-    parser (2.4.0.2)
-      ast (~> 2.3)
+    parser (2.5.0.0)
+      ast (~> 2.4.0)
     poltergeist (1.17.0)
       capybara (~> 2.1)
       cliver (~> 0.3.1)
@@ -197,23 +197,23 @@ GEM
       method_source (~> 0.9.0)
     pry-rails (0.3.6)
       pry (>= 0.10.4)
-    public_suffix (3.0.1)
+    public_suffix (3.0.2)
     rack (2.0.4)
     rack-livereload (0.3.16)
       rack
     rack-test (0.8.2)
       rack (>= 1.0, < 3)
-    rails (5.1.4)
-      actioncable (= 5.1.4)
-      actionmailer (= 5.1.4)
-      actionpack (= 5.1.4)
-      actionview (= 5.1.4)
-      activejob (= 5.1.4)
-      activemodel (= 5.1.4)
-      activerecord (= 5.1.4)
-      activesupport (= 5.1.4)
+    rails (5.1.5)
+      actioncable (= 5.1.5)
+      actionmailer (= 5.1.5)
+      actionpack (= 5.1.5)
+      actionview (= 5.1.5)
+      activejob (= 5.1.5)
+      activemodel (= 5.1.5)
+      activerecord (= 5.1.5)
+      activesupport (= 5.1.5)
       bundler (>= 1.3.0)
-      railties (= 5.1.4)
+      railties (= 5.1.5)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
@@ -221,9 +221,9 @@ GEM
     rails-html-sanitizer (1.0.3)
       loofah (~> 2.0)
     rails-perftest (0.0.7)
-    railties (5.1.4)
-      actionpack (= 5.1.4)
-      activesupport (= 5.1.4)
+    railties (5.1.5)
+      actionpack (= 5.1.5)
+      activesupport (= 5.1.5)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
@@ -308,9 +308,9 @@ GEM
     turbolinks (5.1.0)
       turbolinks-source (~> 5.1)
     turbolinks-source (5.1.0)
-    tzinfo (1.2.4)
+    tzinfo (1.2.5)
       thread_safe (~> 0.1)
-    uglifier (4.1.5)
+    uglifier (4.1.6)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (1.3.0)
     unicorn (5.4.0)
@@ -351,7 +351,7 @@ DEPENDENCIES
   pry
   pry-rails
   rack-livereload
-  rails (= 5.1.4)
+  rails (= 5.1.5)
   rails-perftest
   rake
   rb-fsevent