diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f6a5b20..bb35974 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,6 +7,7 @@ jobs:
         ruby: ['2.5', '2.6', '2.7', '3.0', '3.1']
         gemfile:
           - gemfiles/rubocop_1.25.gemfile
+          - gemfiles/rubocop_1.26.gemfile
     env:
       BUNDLE_GEMFILE: ${{ matrix.gemfile }}
     runs-on: ubuntu-latest
diff --git a/Appraisals b/Appraisals
index 6e2b3a4..24231cf 100644
--- a/Appraisals
+++ b/Appraisals
@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-SUPPORTED_VERSIONS = %w[1.25].freeze
+SUPPORTED_VERSIONS = %w[1.25 1.26].freeze
 
 SUPPORTED_VERSIONS.each do |version|
   appraise "rubocop-#{version}" do
diff --git a/gemfiles/rubocop_1.26.gemfile b/gemfiles/rubocop_1.26.gemfile
new file mode 100644
index 0000000..053a07b
--- /dev/null
+++ b/gemfiles/rubocop_1.26.gemfile
@@ -0,0 +1,14 @@
+# frozen_string_literal: true
+
+# This file was generated by Appraisal
+
+source "https://rubygems.org"
+
+gem "appraisal"
+gem "bundler"
+gem "minitest"
+gem "rake"
+gem "rails", ">= 5.2"
+gem "rubocop", "~> 1.26.0"
+
+gemspec path: "../"