diff --git a/Gemfile.lock b/Gemfile.lock
index 2798190..dd7397f 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -59,12 +59,12 @@ GEM
     aws-sdk-resources (2.11.109)
       aws-sdk-core (= 2.11.109)
     aws-sigv4 (1.0.3)
-    builder (3.2.3)
-    concurrent-ruby (1.0.5)
+    builder (3.2.4)
+    concurrent-ruby (1.1.8)
     crack (0.4.3)
       safe_yaml (~> 1.0.0)
-    crass (1.0.4)
-    diff-lcs (1.3)
+    crass (1.0.6)
+    diff-lcs (1.4.4)
     domain_name (0.5.20180417)
       unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
@@ -81,7 +81,7 @@ GEM
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
     jmespath (1.4.0)
-    loofah (2.2.2)
+    loofah (2.9.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.0)
@@ -90,13 +90,15 @@ GEM
       mime-types-data (~> 3.2015)
     mime-types-data (3.2018.0812)
     mini_mime (1.0.1)
-    mini_portile2 (2.3.0)
-    minitest (5.11.3)
+    mini_portile2 (2.5.0)
+    minitest (5.14.4)
     netrc (0.11.0)
-    nokogiri (1.8.4)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.11.1)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     public_suffix (3.0.3)
-    rack (1.6.10)
+    racc (1.5.2)
+    rack (1.6.13)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (4.2.10)
@@ -110,41 +112,41 @@ GEM
       bundler (>= 1.3.0, < 2.0)
       railties (= 4.2.10)
       sprockets-rails
-    rails-deprecated_sanitizer (1.0.3)
+    rails-deprecated_sanitizer (1.0.4)
       activesupport (>= 4.2.0.alpha)
     rails-dom-testing (1.0.9)
       activesupport (>= 4.2.0, < 5.0)
       nokogiri (~> 1.6)
       rails-deprecated_sanitizer (>= 1.0.1)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (4.2.10)
       actionpack (= 4.2.10)
       activesupport (= 4.2.10)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.3.1)
+    rake (12.3.3)
     rest-client (2.0.2)
       http-cookie (>= 1.0.2, < 2.0)
       mime-types (>= 1.16, < 4.0)
       netrc (~> 0.8)
-    rspec-core (3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.1)
+    rspec-core (3.10.1)
+      rspec-support (~> 3.10.0)
+    rspec-expectations (3.10.1)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.0)
+      rspec-support (~> 3.10.0)
+    rspec-mocks (3.10.2)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-rails (3.8.0)
-      actionpack (>= 3.0)
-      activesupport (>= 3.0)
-      railties (>= 3.0)
-      rspec-core (~> 3.8.0)
-      rspec-expectations (~> 3.8.0)
-      rspec-mocks (~> 3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-support (3.8.0)
+      rspec-support (~> 3.10.0)
+    rspec-rails (4.1.2)
+      actionpack (>= 4.2)
+      activesupport (>= 4.2)
+      railties (>= 4.2)
+      rspec-core (~> 3.10)
+      rspec-expectations (~> 3.10)
+      rspec-mocks (~> 3.10)
+      rspec-support (~> 3.10)
+    rspec-support (3.10.2)
     safe_yaml (1.0.4)
     sprockets (3.7.2)
       concurrent-ruby (~> 1.0)
@@ -154,12 +156,12 @@ GEM
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
     sqlite3 (1.3.13)
-    thor (0.20.0)
+    thor (1.1.0)
     thread_safe (0.3.6)
     tickwork (0.9.2)
       activesupport
       tzinfo
-    tzinfo (1.2.5)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     unf (0.1.4)
       unf_ext