diff --git a/Gemfile.lock b/Gemfile.lock
index 152b82d..d4bdfff 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -45,7 +45,7 @@ GEM
       carrierwave (~> 0.10)
       mini_magick (~> 4.0)
       remotipart (~> 1.2)
-    builder (3.2.2)
+    builder (3.2.4)
     byebug (4.0.5)
       columnize (= 0.9.0)
     carrierwave (0.10.0)
@@ -69,6 +69,8 @@ GEM
     coffee-script-source (1.9.1.1)
     columnize (0.9.0)
     commonjs (0.2.7)
+    concurrent-ruby (1.1.6)
+    crass (1.0.6)
     debug_inspector (0.0.2)
     devise (3.4.1)
       bcrypt (~> 3.0)
@@ -91,7 +93,8 @@ GEM
     httparty (0.13.3)
       json (~> 1.8)
       multi_xml (>= 0.5.2)
-    i18n (0.7.0)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.2.13)
       activesupport (>= 3.0.0, < 5)
       multi_json (~> 1.2)
@@ -101,7 +104,7 @@ GEM
       thor (>= 0.14, < 2.0)
     jquery-ui-rails (5.0.3)
       railties (>= 3.2.16)
-    json (1.8.2)
+    json (1.8.6)
     kaminari (0.16.3)
       actionpack (>= 3.0.0)
       activesupport (>= 3.0.0)
@@ -115,7 +118,8 @@ GEM
     letter_opener (1.4.0)
       launchy (~> 2.2)
     libv8 (3.16.14.7)
-    loofah (2.0.1)
+    loofah (2.4.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.3)
       mime-types (>= 1.16, < 3)
@@ -124,13 +128,13 @@ GEM
       activemodel (>= 3.2, < 5)
     mime-types (2.5)
     mini_magick (4.2.3)
-    mini_portile (0.6.2)
-    minitest (5.6.1)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     multi_json (1.11.0)
     multi_xml (0.5.5)
     nested_form (0.3.2)
-    nokogiri (1.6.6.2)
-      mini_portile (~> 0.6.0)
+    nokogiri (1.10.8)
+      mini_portile2 (~> 2.4.0)
     orm_adapter (0.5.0)
     paperclip (4.2.1)
       activemodel (>= 3.0.0)
@@ -138,7 +142,7 @@ GEM
       cocaine (~> 0.5.3)
       mime-types
     pg (0.18.1)
-    rack (1.6.0)
+    rack (1.6.13)
     rack-cors (0.3.1)
     rack-pjax (0.8.0)
       nokogiri (~> 1.5)
@@ -158,12 +162,12 @@ GEM
       sprockets-rails
     rails-deprecated_sanitizer (1.0.3)
       activesupport (>= 4.2.0.alpha)
-    rails-dom-testing (1.0.6)
-      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 (1.0.2)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -219,7 +223,7 @@ GEM
       libv8 (~> 3.16.14.0)
       ref
     thor (0.19.1)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (1.4.1)
     tinymce-rails (4.1.6)
       railties (>= 3.1.1)
@@ -230,7 +234,7 @@ GEM
       execjs (~> 2.2)
       rails (~> 4.1)
       railties (~> 4.1)
-    tzinfo (1.2.2)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (2.7.1)
       execjs (>= 0.3.0)