diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 00000000..9c51cd89
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,63 @@
+version: 2
+references:
+  unit: &unit
+    run:
+      name: Run test suite
+      command: bundle exec rake
+
+   # Download and cache dependencies
+  restore: &restore
+    keys:
+      - v1-dependencies-{{ checksum "Gemfile.lock" }}
+      # fallback to using the latest cache if no exact match is found
+      - v1-dependencies-
+
+  bundle: &bundle
+    name: install dependencies
+    command: |
+      bundle install --jobs=4 --retry=3 --path vendor/bundle
+
+  save: &save
+    paths:
+      - ./vendor/bundle
+    key: v1-dependencies-{{ checksum "Gemfile.lock" }}
+
+jobs:
+  "ruby-2.5":
+    docker:
+      - image: circleci/ruby:2.5
+      - image: circleci/redis:4.0
+    steps:
+      - checkout
+      - restore
+      - bundle
+      - save
+      - <<: *unit
+  "ruby-2.6":
+    docker:
+      - image: circleci/ruby:2.6
+      - image: circleci/redis:4.0
+    steps:
+      - checkout
+      - restore
+      - bundle
+      - save
+      - <<: *unit
+  "jruby":
+    docker:
+      - image: circleci/jruby:latest
+      - image: circleci/redis:4.0
+    steps:
+      - checkout
+      - restore
+      - bundle
+      - save
+      - <<: *unit
+
+workflows:
+  version: 2
+  build:
+    jobs:
+      - "ruby-2.5"
+      - "ruby-2.6"
+      - "jruby"