diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..b57008d
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,29 @@
+name: Ruby
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read # to fetch code (actions/checkout)
+
+jobs:
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby:
+          - "2.7"
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "3.3"
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: ruby/setup-ruby@v1
+      with:
+        bundler-cache: true
+        ruby-version: ${{ matrix.ruby }}
+    - run: bundle exec rake
diff --git a/Gemfile b/Gemfile
index fa75df1..051091b 100644
--- a/Gemfile
+++ b/Gemfile
@@ -1,3 +1,6 @@
 source 'https://rubygems.org'
 
 gemspec
+
+# we need https://github.com/chrisk/fakeweb/commit/61f52b597286cdeab0bb6f56c3b40cd34e9fc380
+gem "fakeweb", github: "chrisk/fakeweb"
diff --git a/createsend.gemspec b/createsend.gemspec
index 400841b..1a2f454 100644
--- a/createsend.gemspec
+++ b/createsend.gemspec
@@ -8,7 +8,6 @@ Gem::Specification.new do |s|
   s.add_runtime_dependency 'hashie', '~> 3.0'
   s.add_runtime_dependency 'httparty', '~> 0.14'
   s.add_development_dependency 'rake', '~> 12.3.3'
-  s.add_development_dependency 'fakeweb', '~> 1.3'
   s.add_development_dependency 'jnunemaker-matchy', '~> 0.4'
   s.add_development_dependency 'shoulda-context', '~> 1.2'
   s.add_development_dependency 'simplecov', '~> 0'