diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
new file mode 100644
index 0000000..50bc339
--- /dev/null
+++ b/.github/workflows/ci.yml
@@ -0,0 +1,107 @@
+name: CI
+
+on: [push]
+
+jobs:
+  old:
+    name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: ['ubuntu-16.04']
+        php-versions: ['5.4', '5.5', '5.6', '7.0']
+        phpunit-versions: ['7.5.20']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, intl
+          ini-values: post_max_size=256M, max_execution_time=180
+          tools: psalm, phpunit:${{ matrix.phpunit-versions }}
+
+      - name: Fix permissions
+        run: sudo chmod -R 0777 .
+
+      - name: Install dependencies
+        run: composer self-update --1; composer install
+
+      - name: PHPUnit tests
+        uses: php-actions/phpunit@v2
+        with:
+          memory_limit: 256M
+
+  moderate:
+    name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: ['ubuntu-latest']
+        php-versions: ['7.1', '7.2', '7.3']
+        phpunit-versions: ['latest']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, intl, sodium
+          ini-values: post_max_size=256M, max_execution_time=180
+          tools: psalm, phpunit:${{ matrix.phpunit-versions }}
+
+      - name: Fix permissions
+        run: sudo chmod -R 0777 .
+
+      - name: Install dependencies
+        run: composer install
+
+      - name: PHPUnit tests
+        uses: php-actions/phpunit@v2
+        timeout-minutes: 30
+        with:
+          memory_limit: 256M
+
+  modern:
+    name: PHP ${{ matrix.php-versions }} Test on ${{ matrix.operating-system }}
+    runs-on: ${{ matrix.operating-system }}
+    strategy:
+      matrix:
+        operating-system: ['ubuntu-latest']
+        php-versions: ['7.4', '8.0']
+        phpunit-versions: ['latest']
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php-versions }}
+          extensions: mbstring, intl, sodium
+          ini-values: post_max_size=256M, max_execution_time=180
+          tools: psalm, phpunit:${{ matrix.phpunit-versions }}
+
+      - name: Fix permissions
+        run: sudo chmod -R 0777 .
+
+      - name: Install dependencies
+        run: composer install
+
+      - name: PHPUnit tests
+        uses: php-actions/phpunit@v2
+        timeout-minutes: 30
+        with:
+          memory_limit: 256M
+
+      - name: Install Psalm
+        if: contains(['7.4', '8.0'], ${{ matrix.php-version }})
+        run: composer require --dev vimeo/psalm:^4
+
+      - name: Static Analysis
+        if: contains(['7.4', '8.0], ${{ matrix.php-version }})
+        run: vendor/bin/psalm
diff --git a/README.md b/README.md
index b16700a..6abc745 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 php-encryption
 ===============
 
-[![Build Status](https://travis-ci.org/defuse/php-encryption.svg?branch=master)](https://travis-ci.org/defuse/php-encryption)
+![Build Status](https://github.com/defuse/php-encryption/actions/workflows/ci.yml/badge.svg)
 [![codecov](https://codecov.io/gh/defuse/php-encryption/branch/master/graph/badge.svg)](https://codecov.io/gh/defuse/php-encryption)
 [![Latest Stable Version](https://poser.pugx.org/defuse/php-encryption/v/stable)](https://packagist.org/packages/defuse/php-encryption)
 [![License](https://poser.pugx.org/defuse/php-encryption/license)](https://packagist.org/packages/defuse/php-encryption)