diff --git a/spec/Gemfile b/spec/Gemfile
index ff8bdb79..19b62899 100644
--- a/spec/Gemfile
+++ b/spec/Gemfile
@@ -2,4 +2,4 @@ source 'https://rubygems.org'
 
 gem 'bosh-template'
 gem 'rspec'
-gem 'rubocop', '~> 1.65.1'
+gem 'rubocop', '~> 1.66.1'
diff --git a/spec/Gemfile.lock b/spec/Gemfile.lock
index 56553ee4..22d8c279 100644
--- a/spec/Gemfile.lock
+++ b/spec/Gemfile.lock
@@ -14,7 +14,6 @@ GEM
     racc (1.8.1)
     rainbow (3.1.1)
     regexp_parser (2.9.2)
-    rexml (3.3.7)
     rspec (3.13.0)
       rspec-core (~> 3.13.0)
       rspec-expectations (~> 3.13.0)
@@ -28,18 +27,17 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.13.0)
     rspec-support (3.13.1)
-    rubocop (1.65.1)
+    rubocop (1.66.1)
       json (~> 2.3)
       language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
       parser (>= 3.3.0.2)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 2.4, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.31.1, < 2.0)
+      rubocop-ast (>= 1.32.2, < 2.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.32.2)
+    rubocop-ast (1.32.3)
       parser (>= 3.3.1.0)
     ruby-progressbar (1.13.0)
     semi_semantic (1.2.0)
@@ -51,7 +49,7 @@ PLATFORMS
 DEPENDENCIES
   bosh-template
   rspec
-  rubocop (~> 1.65.1)
+  rubocop (~> 1.66.1)
 
 BUNDLED WITH
    2.4.13