diff --git a/Gemfile b/Gemfile
index 303700d8..b1746b9d 100644
--- a/Gemfile
+++ b/Gemfile
@@ -26,5 +26,5 @@ end
 gem 'wdm', '~> 0.1.1', platforms: %i[mingw x64_mingw mswin]
 
 group :development do
-  gem 'rubocop', '~> 1.77'
+  gem 'rubocop', '~> 1.78'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 2d142363..eb545f78 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -156,7 +156,7 @@ GEM
     mime-types (3.7.0)
       logger
       mime-types-data (~> 3.2025, >= 3.2025.0507)
-    mime-types-data (3.2025.0701)
+    mime-types-data (3.2025.0708)
     net-http (0.6.0)
       uri
     nokogiri (1.18.8-arm64-darwin)
@@ -188,7 +188,7 @@ GEM
     rouge (4.5.2)
     rss (0.3.1)
       rexml
-    rubocop (1.77.0)
+    rubocop (1.78.0)
       json (~> 2.3)
       language_server-protocol (~> 3.17.0.2)
       lint_roller (~> 1.1.0)
@@ -238,7 +238,7 @@ DEPENDENCIES
   jekyll-sitemap
   jekyll-target-blank
   just-the-docs
-  rubocop (~> 1.77)
+  rubocop (~> 1.78)
   tzinfo (~> 2.0)
   tzinfo-data
   wdm (~> 0.1.1)