diff --git a/Gemfile b/Gemfile
index 3346210c..77dd3a47 100644
--- a/Gemfile
+++ b/Gemfile
@@ -5,7 +5,7 @@ git_source(:github) do |repo_name|
   "https://github.com/#{repo_name}.git"
 end
 
-gem 'rails', '~> 5.1.1'
+gem 'rails', '~> 5.2.2'
 gem 'rails-i18n', '~> 5.0'
 gem 'turbolinks', '~> 5'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 4220a090..93f072ef 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -4,43 +4,47 @@ GEM
     accept_values_for (0.7.5)
       activemodel (>= 4.2, < 6.0)
       rspec (>= 2.0, < 4.0)
-    actioncable (5.1.6.2)
-      actionpack (= 5.1.6.2)
+    actioncable (5.2.2.1)
+      actionpack (= 5.2.2.1)
       nio4r (~> 2.0)
-      websocket-driver (~> 0.6.1)
-    actionmailer (5.1.6.2)
-      actionpack (= 5.1.6.2)
-      actionview (= 5.1.6.2)
-      activejob (= 5.1.6.2)
+      websocket-driver (>= 0.6.1)
+    actionmailer (5.2.2.1)
+      actionpack (= 5.2.2.1)
+      actionview (= 5.2.2.1)
+      activejob (= 5.2.2.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.1.6.2)
-      actionview (= 5.1.6.2)
-      activesupport (= 5.1.6.2)
+    actionpack (5.2.2.1)
+      actionview (= 5.2.2.1)
+      activesupport (= 5.2.2.1)
       rack (~> 2.0)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.1.6.2)
-      activesupport (= 5.1.6.2)
+    actionview (5.2.2.1)
+      activesupport (= 5.2.2.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.1.6.2)
-      activesupport (= 5.1.6.2)
+    activejob (5.2.2.1)
+      activesupport (= 5.2.2.1)
       globalid (>= 0.3.6)
-    activemodel (5.1.6.2)
-      activesupport (= 5.1.6.2)
+    activemodel (5.2.2.1)
+      activesupport (= 5.2.2.1)
     activemodel-serializers-xml (1.0.2)
       activemodel (> 5.x)
       activesupport (> 5.x)
       builder (~> 3.1)
-    activerecord (5.1.6.2)
-      activemodel (= 5.1.6.2)
-      activesupport (= 5.1.6.2)
-      arel (~> 8.0)
-    activesupport (5.1.6.2)
+    activerecord (5.2.2.1)
+      activemodel (= 5.2.2.1)
+      activesupport (= 5.2.2.1)
+      arel (>= 9.0)
+    activestorage (5.2.2.1)
+      actionpack (= 5.2.2.1)
+      activerecord (= 5.2.2.1)
+      marcel (~> 0.3.1)
+    activesupport (5.2.2.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -49,7 +53,7 @@ GEM
       public_suffix (>= 2.0.2, < 4.0)
     api-responder (1.0.1)
       activesupport
-    arel (8.0.0)
+    arel (9.0.0)
     ast (2.4.0)
     autoprefixer-rails (9.5.0)
       execjs
@@ -165,7 +169,10 @@ GEM
     lumberjack (1.0.13)
     mail (2.7.1)
       mini_mime (>= 0.1.1)
+    marcel (0.3.3)
+      mimemagic (~> 0.3.2)
     method_source (0.9.2)
+    mimemagic (0.3.3)
     mini_mime (1.0.1)
     mini_portile2 (2.4.0)
     mini_racer (0.2.4)
@@ -238,17 +245,18 @@ GEM
       rack
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.1.6.2)
-      actioncable (= 5.1.6.2)
-      actionmailer (= 5.1.6.2)
-      actionpack (= 5.1.6.2)
-      actionview (= 5.1.6.2)
-      activejob (= 5.1.6.2)
-      activemodel (= 5.1.6.2)
-      activerecord (= 5.1.6.2)
-      activesupport (= 5.1.6.2)
+    rails (5.2.2.1)
+      actioncable (= 5.2.2.1)
+      actionmailer (= 5.2.2.1)
+      actionpack (= 5.2.2.1)
+      actionview (= 5.2.2.1)
+      activejob (= 5.2.2.1)
+      activemodel (= 5.2.2.1)
+      activerecord (= 5.2.2.1)
+      activestorage (= 5.2.2.1)
+      activesupport (= 5.2.2.1)
       bundler (>= 1.3.0)
-      railties (= 5.1.6.2)
+      railties (= 5.2.2.1)
       sprockets-rails (>= 2.0.0)
     rails-controller-testing (1.0.4)
       actionpack (>= 5.0.1.x)
@@ -265,12 +273,12 @@ GEM
     rails-timeago (2.17.1)
       actionpack (>= 3.1)
       activesupport (>= 3.1)
-    railties (5.1.6.2)
-      actionpack (= 5.1.6.2)
-      activesupport (= 5.1.6.2)
+    railties (5.2.2.1)
+      actionpack (= 5.2.2.1)
+      activesupport (= 5.2.2.1)
       method_source
       rake (>= 0.8.7)
-      thor (>= 0.18.1, < 2.0)
+      thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
     rake (12.3.2)
     rb-fsevent (0.10.3)
@@ -374,7 +382,7 @@ GEM
       addressable (>= 2.3.6)
       crack (>= 0.3.2)
       hashdiff
-    websocket-driver (0.6.5)
+    websocket-driver (0.7.0)
       websocket-extensions (>= 0.1.0)
     websocket-extensions (0.1.3)
     whenever (0.10.0)
@@ -426,7 +434,7 @@ DEPENDENCIES
   pry-byebug
   puma (~> 3.7)
   rack-cors
-  rails (~> 5.1.1)
+  rails (~> 5.2.2)
   rails-controller-testing
   rails-i18n (~> 5.0)
   rails-timeago