diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 694c454..acd0365 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.7', '3.0', '3.1', '3.2' ]
+        ruby: [ '2.6','2.7', '3.0', '3.1', '3.2' ]
 
     steps:
       - uses: actions/checkout@v3
diff --git a/Gemfile b/Gemfile
index f85b62b..3e20ad8 100644
--- a/Gemfile
+++ b/Gemfile
@@ -9,5 +9,9 @@ gem 'bump'
 gem 'pry'
 gem 'rake'
 gem 'rspec'
-gem 'rubocop'
+if Gem::Version.new(RUBY_VERSION) > Gem::Version.new('2.6')
+  gem 'rubocop'
+else
+  gem 'rubocop', '~> 1.50.2'
+end
 gem 'yard'
diff --git a/Gemfile.lock b/Gemfile.lock
index e328b4e..7e8cc54 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -12,7 +12,6 @@ GEM
     coderay (1.1.3)
     diff-lcs (1.5.0)
     json (2.6.3)
-    language_server-protocol (3.17.0.3)
     method_source (1.0.0)
     parallel (1.23.0)
     parser (3.2.2.3)
@@ -25,7 +24,7 @@ GEM
     rainbow (3.1.1)
     rake (13.0.6)
     regexp_parser (2.8.1)
-    rexml (3.2.5)
+    rexml (3.2.6)
     rspec (3.12.0)
       rspec-core (~> 3.12.0)
       rspec-expectations (~> 3.12.0)
@@ -39,11 +38,10 @@ GEM
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.12.0)
     rspec-support (3.12.1)
-    rubocop (1.54.2)
+    rubocop (1.50.2)
       json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
       parallel (~> 1.10)
-      parser (>= 3.2.2.3)
+      parser (>= 3.2.0.0)
       rainbow (>= 2.2.2, < 4.0)
       regexp_parser (>= 1.8, < 3.0)
       rexml (>= 3.2.5, < 4.0)
diff --git a/rubocop-solidus.gemspec b/rubocop-solidus.gemspec
index 91f3777..011a069 100644
--- a/rubocop-solidus.gemspec
+++ b/rubocop-solidus.gemspec
@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
   DESCRIPTION
   spec.homepage = 'https://www.github.com/solidusio/rubocop-solidus'
   spec.license = 'MIT'
-  spec.required_ruby_version = '>= 2.7.0'
+  spec.required_ruby_version = '>= 2.6.0'
 
   spec.metadata['homepage_uri'] = spec.homepage
   spec.metadata['source_code_uri'] = 'https://www.github.com/solidusio/rubocop-solidus'