diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 4e50e106..aa1619c1 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -23,7 +23,6 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - 2.5
           - 2.6
           - 2.7
           - "3.0"
diff --git a/.rubocop.yml b/.rubocop.yml
index d7125963..42113970 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -6,7 +6,7 @@ require:
 
 AllCops:
   DisplayCopNames: true
-  TargetRubyVersion: 2.5
+  TargetRubyVersion: 2.6
   NewCops: disable
   Exclude:
     - 'vendor/**/*'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06ba857b..e9d24a1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,8 @@
 
 ## Master (Unreleased)
 
+* Drop Ruby 2.5 support. ([@ydah][])
+
 ## 2.10.0 (2022-04-19)
 
 * Fix a false positive for `RSpec/EmptyExampleGroup` when expectations in case statement. ([@ydah][])
diff --git a/rubocop-rspec_rails.gemspec b/rubocop-rspec_rails.gemspec
index e8de9393..17481913 100644
--- a/rubocop-rspec_rails.gemspec
+++ b/rubocop-rspec_rails.gemspec
@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
 
   spec.version = RuboCop::RSpec::Version::STRING
   spec.platform = Gem::Platform::RUBY
-  spec.required_ruby_version = '>= 2.5.0'
+  spec.required_ruby_version = '>= 2.6.0'
 
   spec.require_paths = ['lib']
   spec.files = Dir[