diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 000000000..79b2a6214
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,118 @@
+version: 2.1
+
+# Share Steps: glued in using the YAML alias
+# See https://circleci.com/blog/circleci-hacks-reuse-yaml-in-your-circleci-config-with-yaml/
+shared_ruby_steps: &shared_ruby_steps
+  parameters:
+    run-cc-reporter:
+      type: boolean
+      default: false
+  steps:
+    - attach_workspace:
+        at: .
+    - restore_cache:
+        keys:
+          - "{{ .Environment.CACHE_KEY_PREFIX }}-v1-bundler-deps-{{ .Branch }}"
+    - run:
+        name: Bundle Install
+        command: bundle install --path vendor/bundle --jobs 7 --retry 15
+    - run: mkdir -p ~/test-results/rspec
+    - run:
+        name: Run tests
+        command: bundle exec rake test
+    - save_cache:
+        key: "{{ .Environment.CACHE_KEY_PREFIX }}-v1-bundler-deps-{{ .Branch }}"
+        paths:
+          - ./vendor/bundle
+    - store_test_results:
+        path: ~/test-results/rspec
+    - store_artifacts:
+        path: ./Gemfile.lock
+    - persist_to_workspace:
+        root: .
+        paths:
+          - ./vendor/bundle
+
+jobs:
+  checkout_code:
+    docker:
+      - image: circleci/ruby:2.6
+    steps:
+      - checkout
+      - persist_to_workspace:
+          root: .
+          paths:
+            - .
+
+  ruby26:
+    docker:
+      - image: circleci/ruby:2.6
+    <<: *shared_ruby_steps
+
+  ruby25:
+    docker:
+      - image: circleci/ruby:2.5
+    <<: *shared_ruby_steps
+
+  ruby24:
+    docker:
+      - image: circleci/ruby:2.4
+    <<: *shared_ruby_steps
+
+  ruby23:
+    docker:
+      - image: circleci/ruby:2.3
+    <<: *shared_ruby_steps
+
+  # Currently not in use
+  jruby92:
+    docker:
+      - image: circleci/jruby:9.2
+        environment:
+          JRUBY_OPTS: "--debug"
+    <<: *shared_ruby_steps
+
+  deploy:
+    docker:
+      - image: circleci/ruby:2.6
+    steps:
+      - checkout
+      - run:
+          name: Setup Rubygems
+          command: bash .circleci/setup-rubygems.sh
+
+      - run:
+          name: Publish to Rubygems
+          command: |
+            gem build faraday.gemspec
+            gem push "faraday-$(git describe --tags).gem"
+
+workflows:
+  version: 2
+  test:
+    jobs:
+      - checkout_code
+      - ruby26:
+          requires:
+            - checkout_code
+          run-cc-reporter: true
+      - ruby25:
+          requires:
+            - checkout_code
+      - ruby24:
+          requires:
+            - checkout_code
+      - ruby23:
+          requires:
+            - checkout_code
+      - deploy:
+          requires:
+            - ruby23
+            - ruby24
+            - ruby25
+            - ruby26
+          filters:
+            tags:
+              only: /.*/
+            branches:
+              ignore: /.*/
diff --git a/.circleci/setup-rubygems.sh b/.circleci/setup-rubygems.sh
new file mode 100755
index 000000000..257ff0cbd
--- /dev/null
+++ b/.circleci/setup-rubygems.sh
@@ -0,0 +1,15 @@
+
+#
+# "Publishing RubyGems using Circle CI 2.0" explains how this works:
+#
+# https://medium.com/@pezholio/publishing-rubygems-using-circle-ci-2-0-1dbf06ae9942
+#
+# - Get an API key from your profile page at RubyGems.org
+# - Add the API key as an Environment variable in your repo’s CircleCI
+#   Project Settings/Build Settings/Environment Variables
+# - Have this script execute in the deploy stage of the CI build
+# - Now you can "gem push"
+
+mkdir ~/.gem
+echo -e "---\r\n:rubygems_api_key: $RUBYGEMS_API_KEY" > ~/.gem/credentials
+chmod 0600 /home/circleci/.gem/credentials
diff --git a/.codeclimate.yml b/.codeclimate.yml
new file mode 100644
index 000000000..4686e5bc7
--- /dev/null
+++ b/.codeclimate.yml
@@ -0,0 +1,4 @@
+version: "2"
+plugins:
+  rubocop:
+    enabled: false
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 2d6535f56..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,53 +0,0 @@
-language: ruby
-script: bundle exec script/test
-
-rvm:
-  - 1.9.3
-  - 2.0.0
-  - 2.1.10
-  - 2.2.10
-  - 2.3.8
-  - 2.4.5
-  - 2.5.3
-  - 2.6.0
-  - ruby-head
-  - jruby-19mode
-  - jruby-20mode
-  - jruby-21mode
-  - jruby-head
-
-before_install:
-  - |
-    export RVM_CURRENT=`rvm current|cut -c6-8`
-    if [ "${RVM_CURRENT}" == "2.2" ]; then
-      gem install bundler -v '< 2'
-    fi
-
-matrix:
-  allow_failures:
-    # "A fatal error has been detected by the Java Runtime Environment:
-    #  Internal Error (sharedRuntime.cpp:843)"
-    - rvm: jruby-19mode
-    - rvm: jruby-20mode
-    - rvm: jruby-21mode
-    - rvm: jruby-head
-    - rvm: ruby-head
-  fast_finish: true
-
-env:
-  matrix:
-    - SSL=no
-    - SSL=yes
-  global:
-    - JRUBY_OPTS="$JRUBY_OPTS --debug"
-deploy:
-  provider: rubygems
-  api_key:
-    secure: EqbOu9BQp5jkivJ8qvTo89f3J49KOByBueU3XulrJ2Kqm/ov4RDFsmp9/uHAnSLdmKSkzZaeq79t1AUNfKGX1ZqkKgq/Nw2BKGFnh5ZOjrkrRZR1Vm09OHxqiViEbtg+jZ8VOLY/iDFEkNIzuj9/H3iHGXC0XiKH2LTHOFH63Bs=
-  gem: faraday
-  on:
-    tags: true
-    repo: lostisland/faraday
-    rvm: 2.4.5
-    condition: '"$SSL" = "yes"'
-