diff --git a/.circleci/config.yml b/.circleci/config.yml
new file mode 100644
index 0000000..bcc8310
--- /dev/null
+++ b/.circleci/config.yml
@@ -0,0 +1,25 @@
+version: 2.1
+orbs:
+  browser-tools: circleci/browser-tools@1.4.6
+
+workflows:
+  test:
+    jobs:
+      - test
+
+jobs:
+  test:
+    docker:
+      - image: cimg/node:12.22.11-browsers
+    steps:
+      - browser-tools/install-browser-tools
+      - checkout
+      - run:
+          name: Install npm
+          command: npm install --prefix=$HOME/.local install npm@7 -g
+      - run:
+          name: Install dependencies
+          command: npm install
+      - run:
+          name: Run tests
+          command: npm run test
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index fc45012..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,40 +0,0 @@
-os: linux
-dist: xenial
-
-services:
-- xvfb
-
-branches:
-  only:
-  - master
-  - major
-  - stable
-  - latest
-  - /^\d+\.\d+(\.\d+)?(-\S*)?$/
-  - /^release\/\d+\.\d+\.x$/
-
-addons:
-  chrome: stable
-  firefox: latest
-
-language: node_js
-node_js:
-- '12'
-
-cache:
-- node_modules
-
-before_install:
-- export DISPLAY=:99.0
-- npm install npm@7 -g
-- npm --version
-install:
-- npm install
-script:
-- npm run test
-env:
-  global:
-  - secure: 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
-  - secure: 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
-  - secure: "IILdw06Lz8oHC9HMtQvL7Vc6h+pK4A4BLXsPAR8T48XbBoSOVQXv8kho+Zo9i+NPz/flRFkHrxTsGFwCG/L+wN8dNsrXKFzceETZwD9PV3LF+xpsfHYAGD2Utzwnq5/NhtMR7mUkwj4s728k+jn9a9iJ59uNARMT/yGYVAweZQbN1RvH3uzN5LQQozoCnXAlpDWV1dUkgeqsCd8TbfGcjKjbHPIXtazeQHeNw73xoza21rsDIGvsTdVYjDR33Fy1fCxqjwhsakKL8iv2y48wshbHE36oe27Fr7CiV+4JeLlNAZvAkHObj+KzEvHtOkBBaJnq+Yw18bJQw3qpp+kwYO8E415H7iVg6z2zMORRR/7vQ+gbyazUICICTZHXsb+0Uy4ElgFqdef/qRIw0A9GIEnlD2GVdsLqCp1IBGeYjh3lAmjpuMk4zXy1iBoZZENHo6szKdntQM+wuI9S2cRBeRZTG2CLnGs/ri/wwYk4sEDEHnbSrExseKHfrB7brribVb0vVoLQzvPyRHFzJB/gACNE5CJ7UYrCVLZt2RtjhyPzDqeJJ9T4jSFDVRcQlkb5pbe5mKvLiqx2zBt/Eq0pNoujK20M8ed9xdMUnja1PpeRfcIA5rURGi0MLXeXFfu9HbkHkWvFPXRiR+m1Yo4UmX1lE4fCLu1c3mr/jGwwhdk="
-
diff --git a/README.md b/README.md
index 893d5d4..e738ccf 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![npm version](https://badge.fury.io/js/ckeditor4-vue.svg)](https://www.npmjs.com/package/ckeditor4-vue)
 [![GitHub tag](https://img.shields.io/github/tag/ckeditor/ckeditor4-vue.svg)](https://github.com/ckeditor/ckeditor4-vue)
-[![Build Status](https://app.travis-ci.com/ckeditor/ckeditor4-vue.svg?branch=master)](https://app.travis-ci.com/ckeditor/ckeditor4-vue)
+[![CircleCI](https://dl.circleci.com/status-badge/img/gh/ckeditor/ckeditor4-vue/tree/master.svg?style=shield)](https://dl.circleci.com/status-badge/redirect/gh/ckeditor/ckeditor4-vue/tree/master)
 
 [![Join newsletter](https://img.shields.io/badge/join-newsletter-00cc99.svg)](http://eepurl.com/c3zRPr)
 [![Follow Twitter](https://img.shields.io/badge/follow-twitter-00cc99.svg)](https://twitter.com/ckeditor)
diff --git a/karma.conf.js b/karma.conf.js
index fdddc58..4e0f4b4 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -139,17 +139,17 @@ module.exports = function( config ) {
 };
 
 // Formats name of the build for BrowserStack. It merges a repository name and current timestamp.
-// If env variable `TRAVIS_REPO_SLUG` is not available, the function returns `undefined`.
+// If env variable `CIRCLE_PROJECT_REPONAME` is not available, the function returns `undefined`.
 //
 // @returns {String|undefined}
 function getBuildName() {
-	const repoSlug = process.env.TRAVIS_REPO_SLUG;
+	const repoName = process.env.CIRCLE_PROJECT_REPONAME;
 
-	if ( !repoSlug ) {
+	if ( !repoName ) {
 		return;
 	}
 
-	const repositoryName = repoSlug.split( '/' )[ 1 ].replace( /-/g, '_' );
+	const repositoryName = repoName.replace( /-/g, '_' );
 	const date = new Date().getTime();
 
 	return `${ repositoryName } ${ date }`;
@@ -198,7 +198,7 @@ function shouldEnableBrowserStack() {
 		return false;
 	}
 
-	// If the repository slugs are different, the pull request comes from the community (forked repository).
+	// If the CIRCLE_PR_REPONAME variable is set, it indicates that the PR comes from the forked repo.
 	// For such builds, BrowserStack will be disabled. Read more: https://github.com/ckeditor/ckeditor5-dev/issues/358.
-	return ( process.env.TRAVIS_EVENT_TYPE !== 'pull_request' || process.env.TRAVIS_PULL_REQUEST_SLUG === process.env.TRAVIS_REPO_SLUG );
+	return !( 'CIRCLE_PR_REPONAME' in process.env );
 }