diff --git a/Gemfile.lock b/Gemfile.lock
index 0ba8749..fbc21fe 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -85,7 +85,7 @@ GEM
       addressable (~> 2.3)
       multi_json (~> 1.0)
       rack (>= 1.3)
-    erubi (1.8.0)
+    erubi (1.9.0)
     execjs (2.7.0)
     faraday (0.12.2)
       multipart-post (>= 1.2, < 3)
@@ -105,13 +105,13 @@ GEM
       domain_name (~> 0.5)
     http-form_data (2.1.1)
     http_parser.rb (0.6.0)
-    i18n (1.6.0)
+    i18n (1.7.0)
       concurrent-ruby (~> 1.0)
     io-like (0.3.0)
     jwt (1.5.6)
     launchy (2.4.3)
       addressable (~> 2.3)
-    loofah (2.2.3)
+    loofah (2.3.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -122,7 +122,7 @@ GEM
     mimemagic (0.3.3)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.12.2)
     multi_json (1.13.1)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
@@ -171,8 +171,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.4)
-      loofah (~> 2.2, >= 2.2.2)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (5.2.3)
       actionpack (= 5.2.3)
       activesupport (= 5.2.3)
@@ -185,23 +185,23 @@ GEM
       ffi (>= 0.5.0, < 2)
     rdoc (6.0.4)
     regexp_parser (1.6.0)
-    rspec-core (3.8.0)
-      rspec-support (~> 3.8.0)
-    rspec-expectations (3.8.2)
+    rspec-core (3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-expectations (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-mocks (3.8.0)
+      rspec-support (~> 3.9.0)
+    rspec-mocks (3.9.0)
       diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.8.0)
-    rspec-rails (3.8.2)
+      rspec-support (~> 3.9.0)
+    rspec-rails (3.9.0)
       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-core (~> 3.9.0)
+      rspec-expectations (~> 3.9.0)
+      rspec-mocks (~> 3.9.0)
+      rspec-support (~> 3.9.0)
+    rspec-support (3.9.0)
     rubyzip (2.0.0)
     safe_yaml (1.0.5)
     sass (3.5.7)