diff --git a/Gemfile b/Gemfile
index 79216999..94c150bd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -51,7 +51,7 @@ end
 
 group :development, :test, :optional => true do
   gem 'byebug'
-  gem 'rubocop', '~> 1.77'
+  gem 'rubocop', '~> 1.78'
 end
 
 group :test, :optional => true do
diff --git a/Gemfile.lock b/Gemfile.lock
index 6ccf0beb..980915f8 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -320,7 +320,7 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.4)
-    rubocop (1.77.0)
+    rubocop (1.78.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -453,7 +453,7 @@ DEPENDENCIES
   rails_autolink
   rexml
   rspec-expectations
-  rubocop (~> 1.77)
+  rubocop (~> 1.78)
   sanitize (~> 7.0)
   simplecov
   solargraph