diff --git a/Gemfile b/Gemfile
index 1af89f34..46c8731e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -205,7 +205,7 @@ group :development do
   gem 'spring-commands-rspec'
   gem 'haml_lint', '~> 0.24.0'
   # for static code analisys
-  gem 'rubocop', '~> 0.48.1', require: false
+  gem 'rubocop', '~> 0.49.0', require: false
   # as database
   gem 'sqlite3'
   # to open mails
diff --git a/Gemfile.lock b/Gemfile.lock
index 5ef3f60c..effbde5b 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -323,6 +323,7 @@ GEM
       activerecord (>= 3.0, < 6.0)
       activesupport (>= 3.0, < 6.0)
       request_store (~> 1.1)
+    parallel (1.11.2)
     parser (2.4.0.0)
       ast (~> 2.2)
     pdf-core (0.2.5)
@@ -405,7 +406,8 @@ GEM
       activesupport (= 4.2.7.1)
       rake (>= 0.8.7)
       thor (>= 0.18.1, < 2.0)
-    rainbow (2.2.1)
+    rainbow (2.2.2)
+      rake
     rake (10.5.0)
     rb-fsevent (0.9.4)
     rb-inotify (0.9.4)
@@ -453,7 +455,8 @@ GEM
       rspec-mocks (~> 3.0.0)
       rspec-support (~> 3.0.0)
     rspec-support (3.0.2)
-    rubocop (0.48.1)
+    rubocop (0.49.1)
+      parallel (~> 1.10)
       parser (>= 2.3.3.1, < 3.0)
       powerpack (~> 0.1)
       rainbow (>= 1.99.1, < 3.0)
@@ -521,7 +524,7 @@ GEM
     unf (0.1.4)
       unf_ext
     unf_ext (0.0.7.2)
-    unicode-display_width (1.2.1)
+    unicode-display_width (1.3.0)
     unicode_utils (1.4.0)
     unobtrusive_flash (3.1.0)
       railties
@@ -634,7 +637,7 @@ DEPENDENCIES
   rqrcode
   rspec-activemodel-mocks
   rspec-rails
-  rubocop (~> 0.48.1)
+  rubocop (~> 0.49.0)
   ruby-oembed
   sass-rails (>= 4.0.2)
   selectize-rails