diff --git a/Gemfile b/Gemfile
index 41e1d80..5eb32de 100644
--- a/Gemfile
+++ b/Gemfile
@@ -7,7 +7,7 @@ gem "logger", "~> 1.7"
 group :development do
   gem "irb", "~> 1.15"
   gem "rspec", "~> 3.13"
-  gem "rubocop", "~> 1.77"
+  gem "rubocop", "~> 1.78"
   gem "rubocop-github", "~> 0.23"
   gem "rubocop-performance", "~> 1.25"
   gem "rubocop-rspec", "~> 3.6"
diff --git a/Gemfile.lock b/Gemfile.lock
index df13b37..d4f072e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -69,7 +69,7 @@ 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)
@@ -128,7 +128,7 @@ DEPENDENCIES
   irb (~> 1.15)
   logger (~> 1.7)
   rspec (~> 3.13)
-  rubocop (~> 1.77)
+  rubocop (~> 1.78)
   rubocop-github (~> 0.23)
   rubocop-performance (~> 1.25)
   rubocop-rspec (~> 3.6)
diff --git a/vendor/cache/rubocop-1.77.0.gem b/vendor/cache/rubocop-1.77.0.gem
deleted file mode 100644
index fa175d3..0000000
Binary files a/vendor/cache/rubocop-1.77.0.gem and /dev/null differ
diff --git a/vendor/cache/rubocop-1.78.0.gem b/vendor/cache/rubocop-1.78.0.gem
new file mode 100644
index 0000000..4ceb0d7
Binary files /dev/null and b/vendor/cache/rubocop-1.78.0.gem differ