diff --git a/Gemfile.lock b/Gemfile.lock
index 19d58c5..632b0e2 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -47,12 +47,12 @@ GEM
     arel (7.1.4)
     autoprefixer-rails (7.1.5)
       execjs
-    bcrypt (3.1.11)
+    bcrypt (3.1.13)
     bindex (0.5.0)
     bootstrap-sass (3.3.7)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
-    builder (3.2.3)
+    builder (3.2.4)
     case_transform (0.2)
       activesupport
     climate_control (0.2.0)
@@ -66,12 +66,12 @@ GEM
       coffee-script-source
       execjs
     coffee-script-source (1.12.2)
-    concurrent-ruby (1.0.5)
-    crass (1.0.2)
-    devise (4.3.0)
+    concurrent-ruby (1.1.5)
+    crass (1.0.6)
+    devise (4.7.1)
       bcrypt (~> 3.0)
       orm_adapter (~> 0.1)
-      railties (>= 4.1.0, < 5.2)
+      railties (>= 4.1.0)
       responders
       warden (~> 1.2.3)
     erubis (2.7.0)
@@ -82,7 +82,8 @@ GEM
     globalid (0.4.0)
       activesupport (>= 4.2.0)
     hashie (3.5.6)
-    i18n (0.8.6)
+    i18n (0.9.5)
+      concurrent-ruby (~> 1.0)
     jbuilder (2.7.0)
       activesupport (>= 4.2.0)
       multi_json (>= 1.2)
@@ -96,24 +97,24 @@ GEM
     listen (3.0.8)
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
-    loofah (2.1.1)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.6.6)
       mime-types (>= 1.16, < 4)
-    method_source (0.9.0)
+    method_source (0.9.2)
     mime-types (3.1)
       mime-types-data (~> 3.2015)
     mime-types-data (3.2016.0521)
     mimemagic (0.3.2)
-    mini_portile2 (2.3.0)
-    minitest (5.10.3)
+    mini_portile2 (2.4.0)
+    minitest (5.14.0)
     multi_json (1.12.2)
     multi_xml (0.6.0)
     multipart-post (2.0.0)
     nio4r (2.1.0)
-    nokogiri (1.8.1)
-      mini_portile2 (~> 2.3.0)
+    nokogiri (1.10.7)
+      mini_portile2 (~> 2.4.0)
     oauth2 (1.4.0)
       faraday (>= 0.8, < 0.13)
       jwt (~> 1.0)
@@ -141,7 +142,7 @@ GEM
       coderay (~> 1.1.0)
       method_source (~> 0.9.0)
     puma (3.10.0)
-    rack (2.0.3)
+    rack (2.1.1)
     rack-test (0.6.3)
       rack (>= 1.0)
     rails (5.0.6)
@@ -159,8 +160,8 @@ 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)
     rails_12factor (0.0.3)
       rails_serve_static_assets
       rails_stdout_logging
@@ -172,16 +173,16 @@ GEM
       method_source
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rake (12.1.0)
+    rake (13.0.1)
     rb-fsevent (0.10.2)
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     record_tag_helper (1.0.0)
       actionview (~> 5.x)
     ref (2.0.0)
-    responders (2.4.0)
-      actionpack (>= 4.2.0, < 5.3)
-      railties (>= 4.2.0, < 5.3)
+    responders (3.0.0)
+      actionpack (>= 5.0)
+      railties (>= 5.0)
     sass (3.5.2)
       sass-listen (~> 4.0.0)
     sass-listen (4.0.0)
@@ -212,15 +213,15 @@ GEM
     therubyracer (0.12.3)
       libv8 (~> 3.16.14.15)
       ref
-    thor (0.20.0)
+    thor (1.0.1)
     thread_safe (0.3.6)
     tilt (2.0.8)
-    tzinfo (1.2.3)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (3.2.0)
       execjs (>= 0.3.0, < 3)
-    warden (1.2.7)
-      rack (>= 1.0)
+    warden (1.2.8)
+      rack (>= 2.0.6)
     web-console (3.5.1)
       actionview (>= 5.0)
       activemodel (>= 5.0)