diff --git a/Gemfile b/Gemfile
index c6af49460..6126192ad 100644
--- a/Gemfile
+++ b/Gemfile
@@ -23,7 +23,7 @@ group :test do
 end
 
 group :development do
-  gem "rubocop", "~> 1.8.0"
+  gem "rubocop", "~> 1.8.1"
   gem "rubocop-minitest", "~> 0.10.2"
   gem "rubocop-rake", "~> 0.5.1"
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 783d9d478..e61694cd4 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -180,7 +180,7 @@ GEM
       uber (< 0.2.0)
     retriable (3.1.2)
     rexml (3.2.4)
-    rubocop (1.8.0)
+    rubocop (1.8.1)
       parallel (~> 1.10)
       parser (>= 3.0.0.0)
       rainbow (>= 2.2.2, < 4.0)
@@ -240,7 +240,7 @@ DEPENDENCIES
   minitest-reporters
   mocha (~> 1.12)
   rake (~> 13.0)
-  rubocop (~> 1.8.0)
+  rubocop (~> 1.8.1)
   rubocop-minitest (~> 0.10.2)
   rubocop-rake (~> 0.5.1)
   ruby-macho (~> 1.4)