diff --git a/Gemfile.lock b/Gemfile.lock
index 6afee7e..b342415 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -40,7 +40,7 @@ GEM
     bcrypt (3.1.10)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (8.2.2)
     cancan (1.6.9)
     coffee-rails (4.1.1)
@@ -51,6 +51,7 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.1)
+    crass (1.0.6)
     daemons (1.1.9)
     debug_inspector (0.0.2)
     devise (3.5.6)
@@ -65,32 +66,35 @@ GEM
     erubis (2.7.0)
     eventmachine (1.0.9.1)
     execjs (2.6.0)
-    globalid (0.3.6)
-      activesupport (>= 4.1.0)
+    globalid (0.4.2)
+      activesupport (>= 4.2.0)
     http-cookie (1.0.2)
       domain_name (~> 0.5)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jquery-rails (3.1.4)
       railties (>= 3.0, < 5.0)
       thor (>= 0.14, < 2.0)
-    json (1.8.3)
-    loofah (2.0.3)
+    json (1.8.6)
+    loofah (2.9.1)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
-    mail (2.6.3)
-      mime-types (>= 1.16, < 3)
-    mime-types (2.99.1)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
+    mail (2.7.1)
+      mini_mime (>= 0.1.1)
+    mime-types (2.99.3)
+    mini_mime (1.1.0)
+    mini_portile2 (2.4.0)
+    minitest (5.14.4)
     multi_json (1.11.2)
     mysql2 (0.3.20)
     nested_form (0.3.1)
     netrc (0.11.0)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.9.1)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     protected_attributes (1.1.3)
       activemodel (>= 4.0.1, < 5.0)
-    rack (1.6.4)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.5.2)
@@ -104,14 +108,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.5.2)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.7)
-      activesupport (>= 4.2.0.beta, < 5.0)
-      nokogiri (~> 1.6.0)
+    rails-dom-testing (1.0.9)
+      activesupport (>= 4.2.0, < 5.0)
+      nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -149,14 +153,14 @@ GEM
       eventmachine (>= 0.12.6)
       rack (>= 1.0.0)
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.2)
     twitter-bootstrap-rails (2.2.8)
       actionpack (>= 3.1)
       execjs
       rails (>= 3.1)
       railties (>= 3.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (1.3.0)
       execjs (>= 0.3.0)