diff --git a/CHANGELOG.md b/CHANGELOG.md
index 132afbd2..a7259825 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,7 +6,7 @@
 * [FEATURE] ...
 
 * [CHANGE] Loosen MarkdownLint dependency (by [@faisal][])
-* [CHORE] Bump Mocha and Rake dependencies (by [@faisal][])
+* [CHORE] Bump Mocha, Rake, and Reek dependencies (by [@faisal][])
 * [CHANGE] Replace Aruba with direct API calls in specs (by [@faisal][])
 * [CHANGE] Replace the unmaintained `virtus` dependency with plain Ruby accessors, dropping its abandoned transitive dependencies (`axiom-types`, `coercible`, `descendants_tracker`, `ice_nine`, and the deprecated `thread_safe`). Also move `ostruct` to a development dependency since it is only used in tests. (by [@pnomolos][])
 * [CHANGE] Replace all Cucumber features with Minitest/Spec specs (by [@faisal][])
diff --git a/rubycritic.gemspec b/rubycritic.gemspec
index e15d5a30..298fd4ea 100644
--- a/rubycritic.gemspec
+++ b/rubycritic.gemspec
@@ -37,7 +37,7 @@ Gem::Specification.new do |spec|
   spec.add_dependency 'parser', '>= 3.3.0.5'
   spec.add_dependency 'prism', '>= 1.6.0'
   spec.add_dependency 'rainbow', '~> 3.1.1'
-  spec.add_dependency 'reek', '~> 6.5.0', '< 7.0'
+  spec.add_dependency 'reek', '~> 6.6.0', '< 7.0'
   spec.add_dependency 'rexml'
   spec.add_dependency 'ruby_parser', '~> 3.21'
   spec.add_dependency 'simplecov', '>= 0.22.0'