diff --git a/.github/workflows/super_diff.yml b/.github/workflows/super_diff.yml
index 49ba8af8..cff9f8ee 100644
--- a/.github/workflows/super_diff.yml
+++ b/.github/workflows/super_diff.yml
@@ -61,6 +61,7 @@ jobs:
         rails_appraisal:
           - rails_6_1
           - rails_7_0
+          - rails_7_1
           - no_rails
         rspec_appraisal:
           - rspec_lt_3_10
diff --git a/Appraisals b/Appraisals
index e7a828f2..180dd2b4 100644
--- a/Appraisals
+++ b/Appraisals
@@ -9,25 +9,25 @@ rails_dependencies =
   end
 
 appraisals = {
-  rails_6_0:
+  rails_6_1:
     proc do
       instance_eval(&rails_dependencies)
 
-      gem 'rails', '~> 6.0.0'
+      gem 'rails', '~> 6.1.0'
       gem 'sqlite3', '~> 1.4.0', platform: %i[ruby mswin mingw]
     end,
-  rails_6_1:
+  rails_7_0:
     proc do
       instance_eval(&rails_dependencies)
 
-      gem 'rails', '~> 6.1.0'
+      gem 'rails', '~> 7.0.0'
       gem 'sqlite3', '~> 1.4.0', platform: %i[ruby mswin mingw]
     end,
-  rails_7_0:
+  rails_7_1:
     proc do
       instance_eval(&rails_dependencies)
 
-      gem 'rails', '~> 7.0.0'
+      gem 'rails', '~> 7.1.0'
       gem 'sqlite3', '~> 1.4.0', platform: %i[ruby mswin mingw]
     end,
   no_rails: proc {},
@@ -66,7 +66,7 @@ appraisals = {
     end
 }
 
-rails_appraisals = %i[no_rails rails_6_0 rails_6_1 rails_7_0]
+rails_appraisals = %i[no_rails rails_6_1 rails_7_0 rails_7_1]
 rspec_appraisals = %i[rspec_lt_3_10 rspec_gte_3_10 rspec_gte_3_13]
 
 rails_appraisals.each do |rails_appraisal|
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9c9db249..301f6477 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Features
+
+- Add official Rails 7.1 support. [#278](https://github.com/splitwise/super_diff/pull/278)
+
 ### Other changes
 
 - Fix `logger` dependency issues in CI. [#277](https://github.com/splitwise/super_diff/pull/277)
diff --git a/README.md b/README.md
index d7a3bff5..cb2211f4 100644
--- a/README.md
+++ b/README.md
@@ -113,7 +113,7 @@ for more on how to do that.
 `super_diff` is [tested][gh-actions] to work with
 Ruby >= 3.x,
 RSpec 3.x,
-and Rails >= 6.x.
+and Rails >= 6.1.
 
 [gh-actions]: https://github.com/splitwise/super_diff/actions?query=workflow%3ASuperDiff
 
diff --git a/gemfiles/rails_7_1_rspec_gte_3_10.gemfile b/gemfiles/rails_7_1_rspec_gte_3_10.gemfile
new file mode 100644
index 00000000..e57a2b74
--- /dev/null
+++ b/gemfiles/rails_7_1_rspec_gte_3_10.gemfile
@@ -0,0 +1,30 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal"
+gem "bundler-audit"
+gem "childprocess"
+gem "climate_control"
+gem "prettier_print"
+gem "pry-byebug", platform: :mri
+gem "pry-nav", platform: :jruby
+gem "rake"
+gem "rubocop"
+gem "syntax_tree"
+gem "syntax_tree-haml"
+gem "syntax_tree-rbs"
+gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
+gem "jdbc-sqlite3", platform: :jruby
+gem "net-ftp"
+gem "combustion"
+gem "rails", "~> 7.1.0"
+gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
+gem "rspec", "3.12.0"
+gem "rspec-core", "3.12.0"
+gem "rspec-expectations", "3.12.3"
+gem "rspec-mocks", "3.12.0"
+gem "rspec-support", "3.12.0"
+gem "rspec-rails"
+
+gemspec path: "../"
diff --git a/gemfiles/rails_7_1_rspec_gte_3_13.gemfile b/gemfiles/rails_7_1_rspec_gte_3_13.gemfile
new file mode 100644
index 00000000..6e8a9f43
--- /dev/null
+++ b/gemfiles/rails_7_1_rspec_gte_3_13.gemfile
@@ -0,0 +1,30 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal"
+gem "bundler-audit"
+gem "childprocess"
+gem "climate_control"
+gem "prettier_print"
+gem "pry-byebug", platform: :mri
+gem "pry-nav", platform: :jruby
+gem "rake"
+gem "rubocop"
+gem "syntax_tree"
+gem "syntax_tree-haml"
+gem "syntax_tree-rbs"
+gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
+gem "jdbc-sqlite3", platform: :jruby
+gem "net-ftp"
+gem "combustion"
+gem "rails", "~> 7.1.0"
+gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
+gem "rspec", "3.13.0"
+gem "rspec-core", "3.13.0"
+gem "rspec-expectations", "3.13.0"
+gem "rspec-mocks", "3.13.0"
+gem "rspec-support", "3.13.0"
+gem "rspec-rails"
+
+gemspec path: "../"
diff --git a/gemfiles/rails_7_1_rspec_lt_3_10.gemfile b/gemfiles/rails_7_1_rspec_lt_3_10.gemfile
new file mode 100644
index 00000000..4e714f6d
--- /dev/null
+++ b/gemfiles/rails_7_1_rspec_lt_3_10.gemfile
@@ -0,0 +1,26 @@
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal", git: "https://github.com/thoughtbot/appraisal"
+gem "bundler-audit"
+gem "childprocess"
+gem "climate_control"
+gem "prettier_print"
+gem "pry-byebug", platform: :mri
+gem "pry-nav", platform: :jruby
+gem "rake"
+gem "rubocop"
+gem "syntax_tree"
+gem "syntax_tree-haml"
+gem "syntax_tree-rbs"
+gem "activerecord-jdbcsqlite3-adapter", platform: :jruby
+gem "jdbc-sqlite3", platform: :jruby
+gem "net-ftp"
+gem "combustion"
+gem "rails", "~> 7.1.0"
+gem "sqlite3", "~> 1.4.0", platform: [:ruby, :mswin, :mingw]
+gem "rspec", "~> 3.9.0"
+gem "rspec-rails"
+
+gemspec path: "../"