diff --git a/.github/workflows/head.yml b/.github/workflows/head.yml
index bd598a4..08bf52e 100644
--- a/.github/workflows/head.yml
+++ b/.github/workflows/head.yml
@@ -8,11 +8,12 @@ jobs:
       fail-fast: false
       matrix:
         entry:
-          - { ruby: "3.2", grape-swagger: "HEAD" }
-          - { ruby: "ruby-head", grape-swagger: "HEAD" }
-          - { ruby: "jruby-head", grape-swagger: "HEAD" }
+          - { ruby: "3.2", rails: "edge", grape-swagger: "HEAD" }
+          - { ruby: "ruby-head", rails: "edge", grape-swagger: "HEAD" }
+          - { ruby: "jruby-head", rails: "edge", grape-swagger: "HEAD" }
     env:
       GRAPE_SWAGGER_VERSION: ${{ matrix.entry.grape-swagger }}
+      RAILS_VERSION: ${{ matrix.entry.rails }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby
@@ -20,6 +21,8 @@ jobs:
         with:
           ruby-version: ${{ matrix.entry.ruby }}
           bundler-cache: true
+      - name: Print Bundler Versions
+        run: bundle show
       - name: Setup Firefox
         uses: browser-actions/setup-firefox@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 65194d9..c3d6596 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -7,15 +7,21 @@ jobs:
       fail-fast: false
       matrix:
         entry:
-          - { ruby: "2.7", grape-swagger: "1.6.1" }
-          - { ruby: "3.0", grape-swagger: "1.6.1" }
-          - { ruby: "3.1", grape-swagger: "1.6.1" }
-          - { ruby: "3.2", grape-swagger: "1.6.1" }
-          - { ruby: "3.2", grape-swagger: "2.0.2" }
-          - { ruby: "jruby-9.4.6", grape-swagger: "1.6.1" }
-          - { ruby: "jruby-9.4.6", grape-swagger: "2.0.2" }
+          - { ruby: "2.7", rails: "6.1.7", grape-swagger: "1.6.1" }
+          - { ruby: "3.0", rails: "6.1.7", grape-swagger: "1.6.1" }
+          - { ruby: "3.1", rails: "6.1.7", grape-swagger: "1.6.1" }
+          - { ruby: "3.1", rails: "7.2.1", grape-swagger: "1.6.1" }
+          - { ruby: "3.2", rails: "6.1.7", grape-swagger: "1.6.1" }
+          - { ruby: "3.2", rails: "6.1.7", grape-swagger: "2.1.1" }
+          - { ruby: "3.2", rails: "7.2.1", grape-swagger: "1.6.1" }
+          - { ruby: "3.2", rails: "7.2.1", grape-swagger: "2.1.1" }
+          - { ruby: "jruby-9.4.6", rails: "6.1.7", grape-swagger: "1.6.1" }
+          - { ruby: "jruby-9.4.6", rails: "6.1.7", grape-swagger: "2.1.1" }
+          - { ruby: "jruby-9.4.6", rails: "7.2.1", grape-swagger: "1.6.1" }
+          - { ruby: "jruby-9.4.6", rails: "7.2.1", grape-swagger: "2.1.1" }
     env:
       GRAPE_SWAGGER_VERSION: ${{ matrix.entry.grape-swagger }}
+      RAILS_VERSION: ${{ matrix.entry.rails }}
     steps:
       - uses: actions/checkout@v3
       - name: Set up Ruby
@@ -23,6 +29,8 @@ jobs:
         with:
           ruby-version: ${{ matrix.entry.ruby }}
           bundler-cache: true
+      - name: Print Bundler Versions
+        run: bundle show
       - name: Setup Firefox
         uses: browser-actions/setup-firefox@v1
         with:
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bb165f2..91c51ae 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,7 @@
 ### 0.5.1 (Next)
 
 * [#124](https://github.com/ruby-grape/grape-swagger-rails/pull/124): Rails 7 compatibility - [@padde](https://github.com/padde).
+* [#125](https://github.com/ruby-grape/grape-swagger-rails/pull/125): Add rails versions to CI matrix - [@padde](https://github.com/padde).
 * Your contribution here.
 
 ### 0.5.0 (2024/04/06)
diff --git a/Gemfile b/Gemfile
index 08b55a0..ad879fd 100644
--- a/Gemfile
+++ b/Gemfile
@@ -4,12 +4,19 @@ source 'https://rubygems.org'
 
 gemspec
 
-case version = ENV['GRAPE_SWAGGER_VERSION'] || '~> 1.6.0'
+case grape_swagger_version = ENV.fetch('GRAPE_SWAGGER_VERSION', '~> 1.6.0')
 when 'HEAD'
   gem 'grape-swagger', github: 'ruby-grape/grape-swagger'
 else
   gem 'grape', '>= 1.3.0'
-  gem 'grape-swagger', version
+  gem 'grape-swagger', grape_swagger_version
+end
+
+case rails_version = ENV.fetch('RAILS_VERSION', '>= 6.0.6.1')
+when 'edge'
+  gem 'railties', github: 'rails/rails', branch: 'main'
+else
+  gem 'railties', rails_version
 end
 
 group :development, :test do
diff --git a/README.md b/README.md
index 4361aa4..8e7800f 100644
--- a/README.md
+++ b/README.md
@@ -49,6 +49,8 @@ grape  | grape-swagger
 0.9.0  | 0.8.0
 0.10.0 | 0.9.0
 0.16.2 | 0.20.2
+1.8.0  | 1.6.1
+2.2.0  | 2.1.1
 
 ## Usage