diff --git a/Gemfile b/Gemfile
index 933b2b7..c3baf96 100644
--- a/Gemfile
+++ b/Gemfile
@@ -10,7 +10,7 @@ group :development, :test do
   gem 'pry-byebug', '~> 3.6'
   gem 'rake', '~> 13.0'
   gem 'rspec', '~> 3.0'
-  gem 'rubocop', '~> 1.55'
+  gem 'rubocop', '~> 1.56'
   gem 'rubocop-rspec', '~> 2.23'
   gem 'timecop', '~> 0.9'
   gem 'vcr', '~> 5.0'
diff --git a/Gemfile.lock b/Gemfile.lock
index 6794bc9..b4b5c0a 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -30,6 +30,7 @@ GEM
     bagit (0.4.5)
       docopt (~> 0.5.0)
       validatable (~> 1.6)
+    base64 (0.1.1)
     builder (3.2.4)
     byebug (11.1.3)
     claide (1.1.0)
@@ -166,7 +167,8 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.55.1)
+    rubocop (1.56.0)
+      base64 (~> 0.1.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
@@ -239,7 +241,7 @@ DEPENDENCIES
   pushmi_pullyu!
   rake (~> 13.0)
   rspec (~> 3.0)
-  rubocop (~> 1.55)
+  rubocop (~> 1.56)
   rubocop-rspec (~> 2.23)
   timecop (~> 0.9)
   vcr (~> 5.0)