diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b652c52
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: ["main"]
+  pull_request:
+    branches: ["main"]
+
+jobs:
+  test:
+    name: Ruby ${{ matrix.ruby }}
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        ruby: ["3.2", "3.3"]
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+          bundler-cache: true
+
+      - name: Run tests
+        run: bundle exec rspec
diff --git a/Gemfile.lock b/Gemfile.lock
index 969ca25..8720c3e 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -145,6 +145,8 @@ GEM
     nio4r (2.7.5)
     nokogiri (1.19.3-arm64-darwin)
       racc (~> 1.4)
+    nokogiri (1.19.3-x86_64-linux-gnu)
+      racc (~> 1.4)
     pp (0.6.3)
       prettyprint
     prettyprint (0.2.0)
@@ -244,6 +246,7 @@ GEM
 
 PLATFORMS
   arm64-darwin
+  x86_64-linux
 
 DEPENDENCIES
   capybara (~> 3.0)
@@ -297,6 +300,7 @@ CHECKSUMS
   net-smtp (0.5.1) sha256=ed96a0af63c524fceb4b29b0d352195c30d82dd916a42f03c62a3a70e5b70736
   nio4r (2.7.5) sha256=6c90168e48fb5f8e768419c93abb94ba2b892a1d0602cb06eef16d8b7df1dca1
   nokogiri (1.19.3-arm64-darwin) sha256=71b9bd424b1b7abc18b05052a1a3cfd3627abdca62be280854cc411791357e42
+  nokogiri (1.19.3-x86_64-linux-gnu) sha256=2f5078620fe12e83669b5b17311b32532a8153d02eee7ad06948b926d6080976
   pp (0.6.3) sha256=2951d514450b93ccfeb1df7d021cae0da16e0a7f95ee1e2273719669d0ab9df6
   prettyprint (0.2.0) sha256=2bc9e15581a94742064a3cc8b0fb9d45aae3d03a1baa6ef80922627a0766f193
   prism (1.9.0) sha256=7b530c6a9f92c24300014919c9dcbc055bf4cdf51ec30aed099b06cd6674ef85