upgrade rails

Gemfile

@@ -1,5 +1,5 @@
 source 'https://rubygems.org'
-gem 'rails', '= 5.2.4.2'
+gem 'rails', '= 5.2.4.3'
 gem 'mysql2'
 gem 'puma'
 gem 'turbolinks', '~> 5'

Gemfile.lock

@@ -11,43 +11,43 @@ GEM
   specs:
     acme-client (2.0.0)
       faraday (~> 0.9, >= 0.9.1)
-    actioncable (5.2.4.2)
+    actioncable (5.2.4.3)
-      actionpack (= 5.2.4.2)
+      actionpack (= 5.2.4.3)
       nio4r (~> 2.0)
       websocket-driver (>= 0.6.1)
-    actionmailer (5.2.4.2)
+    actionmailer (5.2.4.3)
-      actionpack (= 5.2.4.2)
+      actionpack (= 5.2.4.3)
-      actionview (= 5.2.4.2)
+      actionview (= 5.2.4.3)
-      activejob (= 5.2.4.2)
+      activejob (= 5.2.4.3)
       mail (~> 2.5, >= 2.5.4)
       rails-dom-testing (~> 2.0)
-    actionpack (5.2.4.2)
+    actionpack (5.2.4.3)
-      actionview (= 5.2.4.2)
+      actionview (= 5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       rack (~> 2.0, >= 2.0.8)
       rack-test (>= 0.6.3)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.2)
-    actionview (5.2.4.2)
+    actionview (5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       builder (~> 3.1)
       erubi (~> 1.4)
       rails-dom-testing (~> 2.0)
       rails-html-sanitizer (~> 1.0, >= 1.0.3)
-    activejob (5.2.4.2)
+    activejob (5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       globalid (>= 0.3.6)
-    activemodel (5.2.4.2)
+    activemodel (5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
-    activerecord (5.2.4.2)
+    activerecord (5.2.4.3)
-      activemodel (= 5.2.4.2)
+      activemodel (= 5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       arel (>= 9.0)
-    activestorage (5.2.4.2)
+    activestorage (5.2.4.3)
-      actionpack (= 5.2.4.2)
+      actionpack (= 5.2.4.3)
-      activerecord (= 5.2.4.2)
+      activerecord (= 5.2.4.3)
       marcel (~> 0.3.1)
-    activesupport (5.2.4.2)
+    activesupport (5.2.4.3)
       concurrent-ruby (~> 1.0, >= 1.0.2)
       i18n (>= 0.7, < 2)
       minitest (~> 5.1)
@@ -134,7 +134,7 @@ GEM
     marcel (0.3.3)
       mimemagic (~> 0.3.2)
     method_source (1.0.0)
-    mimemagic (0.3.4)
+    mimemagic (0.3.5)
     mini_mime (1.0.2)
     mini_portile2 (2.4.0)
     minitest (5.14.1)
@@ -158,27 +158,27 @@ GEM
     rack (2.2.3)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
-    rails (5.2.4.2)
+    rails (5.2.4.3)
-      actioncable (= 5.2.4.2)
+      actioncable (= 5.2.4.3)
-      actionmailer (= 5.2.4.2)
+      actionmailer (= 5.2.4.3)
-      actionpack (= 5.2.4.2)
+      actionpack (= 5.2.4.3)
-      actionview (= 5.2.4.2)
+      actionview (= 5.2.4.3)
-      activejob (= 5.2.4.2)
+      activejob (= 5.2.4.3)
-      activemodel (= 5.2.4.2)
+      activemodel (= 5.2.4.3)
-      activerecord (= 5.2.4.2)
+      activerecord (= 5.2.4.3)
-      activestorage (= 5.2.4.2)
+      activestorage (= 5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       bundler (>= 1.3.0)
-      railties (= 5.2.4.2)
+      railties (= 5.2.4.3)
       sprockets-rails (>= 2.0.0)
     rails-dom-testing (2.0.3)
       activesupport (>= 4.2.0)
       nokogiri (>= 1.6)
     rails-html-sanitizer (1.3.0)
       loofah (~> 2.3)
-    railties (5.2.4.2)
+    railties (5.2.4.3)
-      actionpack (= 5.2.4.2)
+      actionpack (= 5.2.4.3)
-      activesupport (= 5.2.4.2)
+      activesupport (= 5.2.4.3)
       method_source
       rake (>= 0.8.7)
       thor (>= 0.19.0, < 2.0)
@@ -240,9 +240,9 @@ GEM
       thread_safe (~> 0.1)
     uglifier (4.1.18)
       execjs (>= 0.3.0, < 3)
-    websocket-driver (0.7.1)
+    websocket-driver (0.7.3)
       websocket-extensions (>= 0.1.0)
-    websocket-extensions (0.1.4)
+    websocket-extensions (0.1.5)
 
 PLATFORMS
   ruby
@@ -280,7 +280,7 @@ DEPENDENCIES
   nilify_blanks
   nio4r
   puma
-  rails (= 5.2.4.2)
+  rails (= 5.2.4.3)
   rspec
   rspec-rails
   sass-rails (~> 5.0)