diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5324d9c..b32bcb6 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,6 +17,7 @@ jobs:
           - '5-2-stable'
           - '6-0-stable'
           - '6-1-stable'
+          - '7-0-stable'
           - 'edge'
         ruby:
           - '2.4'
@@ -49,6 +50,12 @@ jobs:
             ruby: '2.4'
           - gemfile: '6-1-stable'
             ruby: '2.4'
+          - gemfile: '7-0-stable'
+            ruby: '2.4'
+          - gemfile: '7-0-stable'
+            ruby: '2.5'
+          - gemfile: '7-0-stable'
+            ruby: '2.6'
           - gemfile: 'edge'
             ruby: '2.4'
           - gemfile: 'edge'
diff --git a/gemfiles/Gemfile-7-0-stable b/gemfiles/Gemfile-7-0-stable
new file mode 100644
index 0000000..cb4a16b
--- /dev/null
+++ b/gemfiles/Gemfile-7-0-stable
@@ -0,0 +1,5 @@
+source "https://rubygems.org"
+
+gemspec path: ".."
+
+gem "rails", github: "rails/rails", branch: "7-0-stable"