diff --git a/Gemfile.lock b/Gemfile.lock
index f25a0c747ea..d7f454e5b08 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -405,7 +405,7 @@ GEM
       rspec-core (>= 2.14)
     rtlcss (0.2.1)
       mini_racer (>= 0.6.3)
-    rubocop (1.60.2)
+    rubocop (1.61.0)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
diff --git a/spec/lib/middleware/request_tracker_spec.rb b/spec/lib/middleware/request_tracker_spec.rb
index 3aa8c433f2c..22e2db764b3 100644
--- a/spec/lib/middleware/request_tracker_spec.rb
+++ b/spec/lib/middleware/request_tracker_spec.rb
@@ -329,7 +329,7 @@ RSpec.describe Middleware::RequestTracker do
       stub_const(
         Middleware::RequestTracker,
         "STATIC_IP_SKIPPER",
-        "177.33.14.73 191.209.88.192/30"&.split&.map { |ip| IPAddr.new(ip) },
+        "177.33.14.73 191.209.88.192/30".split.map { |ip| IPAddr.new(ip) },
       ) do
         global_setting :max_reqs_per_ip_per_10_seconds, 1
         global_setting :max_reqs_per_ip_mode, "block"