diff --git a/.rubocop.yml b/.rubocop.yml
index 4d9b1ba..738012d 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -4,7 +4,7 @@ require:
   - rubocop-rspec
 
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7
   DisplayCopNames: true
 
   Exclude:
diff --git a/.ruby-version b/.ruby-version
index 91a625a..ccfb6ef 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-ruby-2.6.2
+ruby-2.7.0
diff --git a/Gemfile b/Gemfile
index d57c922..94bd337 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-ruby '2.6.2'
+ruby '2.7.0'
 
 source 'https://rubygems.org'
 
diff --git a/Gemfile.lock b/Gemfile.lock
index eb2e698..a6545ad 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -543,7 +543,7 @@ DEPENDENCIES
   yard (~> 0.9, >= 0.9.20)
 
 RUBY VERSION
-   ruby 2.6.2p47
+   ruby 2.7.0p0
 
 BUNDLED WITH
-   2.0.2
+   2.1.2