diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index a4588b13a..000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-# Ruby CircleCI 2.0 configuration file
-#
-# Check https://circleci.com/docs/2.0/language-ruby/ for more details
-#
-version: 2
-jobs:
-  build:
-    docker:
-      # specify the version you desire here
-      - image: cimg/ruby:3.1.4
-
-      # Specify service dependencies here if necessary
-      # CircleCI maintains a library of pre-built images
-      # documented at https://circleci.com/docs/2.0/circleci-images/
-      # - image: circleci/postgres:9.4
-
-    working_directory: ~/repo
-
-    steps:
-      - checkout
-
-      # Download and cache dependencies
-      - restore_cache:
-          keys:
-            - v1-dependencies-{{ checksum "Gemfile.lock" }}
-            # fallback to using the latest cache if no exact match is found
-            - v1-dependencies-
-
-      - run:
-          name: install dependencies
-          command: |
-            gem install bundler
-            bundle install --jobs=4 --retry=3 --path vendor/bundle
-
-      - save_cache:
-          paths:
-            - ./vendor/bundle
-          key: v1-dependencies-{{ checksum "Gemfile.lock" }}
-
-      # run tests!
-      - run:
-          name: run tests
-          command: |
-            mkdir /tmp/test-results
-            TEST_FILES="$(circleci tests glob "spec/**/*_spec.rb" | \
-              circleci tests split --split-by=timings)"
-
-            bundle exec rspec \
-              --format progress \
-              --format RspecJunitFormatter \
-              --out /tmp/test-results/rspec.xml \
-              --format progress \
-              $TEST_FILES
-
-      # collect reports
-      - store_test_results:
-          path: /tmp/test-results
-      - store_artifacts:
-          path: /tmp/test-results
-          destination: test-results
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 000000000..3eea102cb
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,29 @@
+name: CI
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+concurrency:
+  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
+  cancel-in-progress: true
+jobs:
+  ci:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+          - "3.0"
+          - "3.1"
+          - "3.2"
+          - "3.3"
+          - ruby-head
+          - jruby-9.4
+    name: "Ruby ${{ matrix.ruby }}: spec"
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: "${{ matrix.ruby }}"
+          bundler-cache: true
+      - run: bundle exec rake rspec