diff --git a/Gemfile.lock b/Gemfile.lock
index 608ca76..465227a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -60,7 +60,7 @@ GEM
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
-    builder (3.2.3)
+    builder (3.2.4)
     byebug (9.1.0)
     carrierwave (1.1.0)
       activemodel (>= 4.0.0)
@@ -78,7 +78,8 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
+    concurrent-ruby (1.1.8)
+    crass (1.0.6)
     devise (4.3.0)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
@@ -99,7 +100,8 @@ GEM
     htmlentities (4.3.4)
     http-cookie (1.0.3)
       domain_name (~> 0.5)
-    i18n (0.8.6)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
@@ -111,20 +113,22 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.0.3)
+    loofah (2.9.0)
+      crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
     method_source (0.8.2)
     mime-types (2.99.3)
     mini_magick (4.8.0)
-    mini_portile2 (2.2.0)
-    minitest (5.10.3)
+    mini_portile2 (2.5.0)
+    minitest (5.14.4)
     multi_json (1.12.1)
     netrc (0.11.0)
     nio4r (2.1.0)
-    nokogiri (1.8.0)
-      mini_portile2 (~> 2.2.0)
+    nokogiri (1.11.2)
+      mini_portile2 (~> 2.5.0)
+      racc (~> 1.4)
     orm_adapter (0.5.0)
     pg (0.21.0)
     pry (0.10.4)
@@ -143,7 +147,8 @@ GEM
       json
       mime-types
       rest-client
-    rack (2.0.3)
+    racc (1.5.2)
+    rack (2.2.3)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.5)
@@ -161,8 +166,8 @@ GEM
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
-    rails-html-sanitizer (1.0.3)
-      loofah (~> 2.0)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
     railties (5.0.5)
       actionpack (= 5.0.5)
       activesupport (= 5.0.5)
@@ -195,9 +200,9 @@ GEM
       sprockets (>= 2.8, < 4.0)
       sprockets-rails (>= 2.0, < 4.0)
       tilt (>= 1.1, < 3)
-    simple_form (3.5.0)
-      actionpack (> 4, < 5.2)
-      activemodel (> 4, < 5.2)
+    simple_form (5.0.0)
+      actionpack (>= 5.0)
+      activemodel (>= 5.0)
     slop (3.6.0)
     spring (2.0.2)
       activesupport (>= 4.2)
@@ -215,7 +220,7 @@ GEM
     thor (0.20.0)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.3)
+    tzinfo (1.2.9)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)