diff --git a/Gemfile b/Gemfile
index dfe0527f..82d66eb0 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 source "https://rubygems.org"
 
-gem "rails", "~> 5.2.0"
+gem "rails", "~> 5.2"
 
 gem "mysql2"
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 8c5d124a..8be0c31e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,47 +1,47 @@
 GEM
   remote: https://rubygems.org/
   specs:
-    actioncable (5.2.3)
-      actionpack (= 5.2.3)
+    actioncable (5.2.4.1)
+      actionpack (= 5.2.4.1)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
+    actionmailer (5.2.4.1)
+      actionpack (= 5.2.4.1)
+      actionview (= 5.2.4.1)
+      activejob (= 5.2.4.1)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.3)
-      actionview (= 5.2.3)
-      activesupport (= 5.2.3)
-      rack (~> 2.0)
+    actionpack (5.2.4.1)
+      actionview (= 5.2.4.1)
+      activesupport (= 5.2.4.1)
+      rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
     actionpack-page_caching (1.1.1)
       actionpack (>= 4.0.0, < 6)
-    actionview (5.2.3)
-      activesupport (= 5.2.3)
+    actionview (5.2.4.1)
+      activesupport (= 5.2.4.1)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.3)
-      activesupport (= 5.2.3)
+    activejob (5.2.4.1)
+      activesupport (= 5.2.4.1)
       globalid (>= 0.3.6)
-    activemodel (5.2.3)
-      activesupport (= 5.2.3)
-    activerecord (5.2.3)
-      activemodel (= 5.2.3)
-      activesupport (= 5.2.3)
+    activemodel (5.2.4.1)
+      activesupport (= 5.2.4.1)
+    activerecord (5.2.4.1)
+      activemodel (= 5.2.4.1)
+      activesupport (= 5.2.4.1)
       arel (>= 9.0)
     activerecord-typedstore (1.2.2)
       activerecord (>= 4.2)
-    activestorage (5.2.3)
-      actionpack (= 5.2.3)
-      activerecord (= 5.2.3)
+    activestorage (5.2.4.1)
+      actionpack (= 5.2.4.1)
+      activerecord (= 5.2.4.1)
       marcel (~> 0.3.1)
-    activesupport (5.2.3)
+    activesupport (5.2.4.1)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -51,7 +51,7 @@ GEM
     arel (9.0.0)
     ast (2.4.0)
     bcrypt (3.1.13)
-    builder (3.2.3)
+    builder (3.2.4)
     bullet (6.0.0)
       activesupport (>= 3.0.0)
       uniform_notifier (~> 1.11)
@@ -68,11 +68,11 @@ GEM
     commonmarker (0.20.1)
       ruby-enum (~> 0.5)
     concurrent-ruby (1.1.5)
-    crass (1.0.5)
+    crass (1.0.6)
     database_cleaner (1.7.0)
     diff-lcs (1.3)
     dynamic_form (1.1.4)
-    erubi (1.8.0)
+    erubi (1.9.0)
     exception_notification (4.3.0)
       actionmailer (>= 4.0, < 6)
       activesupport (>= 4.0, < 6)
@@ -91,7 +91,7 @@ GEM
       activerecord (>= 3.1)
       railties (>= 3.1)
     htmlentities (4.3.4)
-    i18n (1.6.0)
+    i18n (1.8.2)
       concurrent-ruby (~> 1.0)
     jaro_winkler (1.5.3)
     jquery-rails (4.3.5)
@@ -104,7 +104,7 @@ GEM
       rb-fsevent (~> 0.9, >= 0.9.4)
       rb-inotify (~> 0.9, >= 0.9.7)
       ruby_dep (~> 1.2)
-    loofah (2.3.1)
+    loofah (2.4.0)
       crass (~> 1.0.2)
       nokogiri (>= 1.5.9)
     mail (2.7.1)
@@ -112,49 +112,49 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (0.9.2)
-    mimemagic (0.3.3)
-    mini_mime (1.0.1)
+    mimemagic (0.3.4)
+    mini_mime (1.0.2)
     mini_portile2 (2.4.0)
-    minitest (5.11.3)
+    minitest (5.14.0)
     mysql2 (0.5.2)
-    nio4r (2.3.1)
-    nokogiri (1.10.5)
+    nio4r (2.5.2)
+    nokogiri (1.10.7)
       mini_portile2 (~> 2.4.0)
     oauth (0.5.4)
     parallel (1.17.0)
     parser (2.6.5.0)
       ast (~> 2.4.0)
     public_suffix (3.1.1)
-    rack (2.0.8)
+    rack (2.1.2)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.3)
-      actioncable (= 5.2.3)
-      actionmailer (= 5.2.3)
-      actionpack (= 5.2.3)
-      actionview (= 5.2.3)
-      activejob (= 5.2.3)
-      activemodel (= 5.2.3)
-      activerecord (= 5.2.3)
-      activestorage (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails (5.2.4.1)
+      actioncable (= 5.2.4.1)
+      actionmailer (= 5.2.4.1)
+      actionpack (= 5.2.4.1)
+      actionview (= 5.2.4.1)
+      activejob (= 5.2.4.1)
+      activemodel (= 5.2.4.1)
+      activerecord (= 5.2.4.1)
+      activestorage (= 5.2.4.1)
+      activesupport (= 5.2.4.1)
       bundler (>= 1.3.0)
-      railties (= 5.2.3)
+      railties (= 5.2.4.1)
       sprockets-rails (>= 2.0.0)
     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)
-    railties (5.2.3)
-      actionpack (= 5.2.3)
-      activesupport (= 5.2.3)
+    rails-html-sanitizer (1.3.0)
+      loofah (~> 2.3)
+    railties (5.2.4.1)
+      actionpack (= 5.2.4.1)
+      activesupport (= 5.2.4.1)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
     rainbow (3.0.0)
     raindrops (0.19.0)
-    rake (12.3.2)
+    rake (13.0.1)
     rb-fsevent (0.10.3)
     rb-inotify (0.10.0)
       ffi (~> 1.0)
@@ -216,14 +216,14 @@ GEM
       actionpack (>= 4.0)
       activesupport (>= 4.0)
       sprockets (>= 3.0.0)
-    thor (0.20.3)
+    thor (1.0.1)
     thread_safe (0.3.6)
     transaction_isolation (1.0.5)
       activerecord (>= 3.0.11)
     transaction_retry (1.0.3)
       activerecord (>= 3.0.11)
       transaction_isolation (>= 1.0.2)
-    tzinfo (1.2.5)
+    tzinfo (1.2.6)
       thread_safe (~> 0.1)
     uglifier (4.1.20)
       execjs (>= 0.3.0, < 3)
@@ -263,7 +263,7 @@ DEPENDENCIES
   mysql2
   nokogiri (>= 1.7.2)
   oauth
-  rails (~> 5.2.0)
+  rails (~> 5.2)
   rb-readline
   rotp
   rqrcode