diff --git a/Gemfile.lock b/Gemfile.lock
index 8baf1d1..4fd38b9 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -64,7 +64,7 @@ GEM
     bcrypt (3.1.11)
     bcrypt-ruby (3.1.5)
       bcrypt (>= 3.1.3)
-    builder (3.2.2)
+    builder (3.2.4)
     capybara (2.5.0)
       mime-types (>= 1.16)
       nokogiri (>= 1.3.3)
@@ -86,8 +86,9 @@ GEM
       execjs
     coffee-script-source (1.10.0)
     commonjs (0.2.7)
-    concurrent-ruby (1.0.2)
+    concurrent-ruby (1.1.10)
     connection_pool (2.2.0)
+    crass (1.0.6)
     dynamic_form (1.1.4)
     elastomer-client (0.9.0)
       addressable (~> 2.3)
@@ -106,7 +107,8 @@ GEM
     html-pipeline (2.4.0)
       activesupport (>= 2, < 5)
       nokogiri (>= 1.4)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.4.1)
       activesupport (>= 3.0.0, < 5.1)
       multi_json (~> 1.2)
@@ -123,7 +125,8 @@ GEM
       less (~> 2.6.0)
       sprockets (> 2, < 4)
       tilt
-    loofah (2.0.3)
+    loofah (2.18.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.4)
       mime-types (>= 1.16, < 4)
@@ -132,9 +135,11 @@ GEM
     mime-types (3.0)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0221)
-    mimemagic (0.3.1)
-    mini_portile2 (2.0.0)
-    minitest (5.8.4)
+    mimemagic (0.4.3)
+      nokogiri (~> 1)
+      rake
+    mini_portile2 (2.8.0)
+    minitest (5.16.2)
     mocha (1.1.0)
       metaclass (~> 0.0.1)
     mono_logger (1.1.0)
@@ -143,8 +148,9 @@ GEM
     net_dav (0.5.0)
       nokogiri (>= 1.3.0)
     nio4r (1.2.1)
-    nokogiri (1.6.7.2)
-      mini_portile2 (~> 2.0.0.rc2)
+    nokogiri (1.13.7)
+      mini_portile2 (~> 2.8.0)
+      racc (~> 1.4)
     pg (0.18.4)
     phantomjs (1.9.8.0)
     poltergeist (1.7.0)
@@ -153,8 +159,8 @@ GEM
       multi_json (~> 1.0)
       websocket-driver (>= 0.2.0)
     power_assert (0.3.0)
-    rack (2.0.0.rc1)
-      json
+    racc (1.6.0)
+    rack (2.2.4)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.0.rc1)
@@ -169,14 +175,14 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 5.0.0.rc1)
       sprockets-rails (>= 2.0.0)
-    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 (1.4.3)
+      loofah (~> 2.3)
     rails_autolink (1.1.6)
       rails (> 3.1)
     railties (5.0.0.rc1)
@@ -238,14 +244,14 @@ GEM
     test-unit (3.1.8)
       power_assert
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.2)
     twitter-bootstrap-rails (3.2.2)
       actionpack (>= 3.1)
       execjs (>= 2.2.2, >= 2.2)
       less-rails (>= 2.5.0)
       railties (>= 3.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unicorn (5.1.0)
       kgio (~> 2.6)