diff --git a/Gemfile.lock b/Gemfile.lock
index 76f3497..f7a2233 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -39,7 +39,7 @@ GEM
     arel (6.0.4)
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (8.2.2)
     coffee-rails (4.1.1)
       coffee-script (>= 2.2.0)
@@ -49,37 +49,42 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     concurrent-ruby (1.0.5)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     erubis (2.7.0)
     execjs (2.6.0)
     globalid (0.4.0)
       activesupport (>= 4.2.0)
-    i18n (0.8.4)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.4.1)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
-    jquery-rails (4.1.1)
+    jquery-rails (4.4.0)
       rails-dom-testing (>= 1, < 3)
       railties (>= 4.2.0)
       thor (>= 0.14, < 2.0)
     json (1.8.6)
     libv8 (3.16.14.19)
-    loofah (2.0.3)
-      nokogiri (>= 1.5.9)
+    loofah (2.21.3)
+      crass (~> 1.0.2)
+      nokogiri (>= 1.12.0)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
-    mini_portile2 (2.2.0)
-    minitest (5.10.2)
+    mini_portile2 (2.8.4)
+    minitest (5.20.0)
     multi_json (1.11.2)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.15.4)
+      mini_portile2 (~> 2.8.2)
+      racc (~> 1.4)
     pg (0.18.4)
     postgresql (1.0.0)
       pg
-    rack (1.6.8)
+    racc (1.7.1)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.6)
@@ -93,20 +98,21 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.6)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.8)
-      activesupport (>= 4.2.0.beta, < 5.0)
+    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 (1.6.0)
+      loofah (~> 2.21)
+      nokogiri (~> 1.14)
     railties (4.2.6)
       actionpack (= 4.2.6)
       activesupport (= 4.2.6)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.0.0)
+    rake (13.0.6)
     rdoc (4.2.2)
       json (~> 1.4)
     ref (2.0.0)
@@ -131,12 +137,12 @@ GEM
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thor (0.19.4)
+    thor (1.2.2)
     thread_safe (0.3.6)
     tilt (2.0.2)
     turbolinks (2.5.3)
       coffee-rails
-    tzinfo (1.2.3)
+    tzinfo (1.2.11)
       thread_safe (~> 0.1)
     tzinfo-data (1.2017.2)
       tzinfo (>= 1.0.0)