diff --git a/Gemfile b/Gemfile
index 1193321..808827e 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,6 +13,6 @@ group :test do
   gem 'pry'
   gem 'rb-readline'
   gem 'rspec', '~> 3.12.0'
-  gem 'rubocop', '~> 1.56'
+  gem 'rubocop', '~> 1.57'
   gem 'webmock', '~> 3.19'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 1927fcd..5c7e528 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -11,7 +11,6 @@ GEM
     addressable (2.8.5)
       public_suffix (>= 2.0.2, < 6.0)
     ast (2.4.2)
-    base64 (0.1.1)
     coderay (1.1.3)
     commander (4.6.0)
       highline (~> 2.0.0)
@@ -49,7 +48,7 @@ GEM
     method_source (1.0.0)
     multipart-post (2.3.0)
     parallel (1.23.0)
-    parser (3.2.2.3)
+    parser (3.2.2.4)
       ast (~> 2.4.1)
       racc
     pry (0.14.2)
@@ -60,7 +59,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     rb-readline (0.5.5)
-    regexp_parser (2.8.1)
+    regexp_parser (2.8.2)
     rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
@@ -75,19 +74,18 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.0)
-    rubocop (1.56.4)
-      base64 (~> 0.1.1)
+    rubocop (1.57.2)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.3)
+      parser (>= 3.2.2.4)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
       rubocop-ast (>= 1.28.1, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.29.0)
+    rubocop-ast (1.30.0)
       parser (>= 3.2.1.0)
     ruby-progressbar (1.13.0)
     ruby2_keywords (0.0.5)
@@ -113,7 +111,7 @@ DEPENDENCIES
   rake
   rb-readline
   rspec (~> 3.12.0)
-  rubocop (~> 1.56)
+  rubocop (~> 1.57)
   simplecov (~> 0.22.0)
   simplecov-html (~> 0.12.3)
   simplecov-lcov (~> 0.8.0)