diff --git a/.rubocop.yml b/.rubocop.yml
index dc5ff0e..ec78c35 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -9,7 +9,7 @@ Metrics/BlockLength:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
   Exclude:
     - vendor/bundle/**/*
     # exclude protoc generated code
diff --git a/spec/support/shared_context/client_mocks.rb b/spec/support/shared_context/client_mocks.rb
index 7b379ab..f217f02 100644
--- a/spec/support/shared_context/client_mocks.rb
+++ b/spec/support/shared_context/client_mocks.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 # rubocop:disable Metrics/BlockLength
-RSpec.shared_context 'client mocks' do # rubocop:disable Rspec/ContextWording
+RSpec.shared_context 'client mocks' do # rubocop:disable RSpec/ContextWording
   attr_reader :sent_evaluate_request, :sent_endorse_request, :sent_submit_request
   attr_reader :sent_proposal
   attr_reader :sent_chaincode_proposal_payload