diff --git a/.github/workflows/run-tests.yml b/.github/workflows/run-tests.yml
new file mode 100644
index 0000000..334b055
--- /dev/null
+++ b/.github/workflows/run-tests.yml
@@ -0,0 +1,47 @@
+name: Run tests
+
+on:
+  push:
+  schedule:
+    - cron: '0 0 * * *'
+
+jobs:
+  tests:
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: true
+      matrix:
+        php: [7.4, 7.3, 7.2]
+        dependency-version: [prefer-lowest, prefer-stable]
+        os: [ubuntu-latest, windows-latest]
+
+    name: "PHP ${{ matrix.php }} - ${{ matrix.dependency-version }} - ${{ matrix.os }}"
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v2
+
+      - name: Cache dependencies
+        uses: actions/cache@v1
+        with:
+          path: ~/.composer/cache/files
+          key: dependencies-composer-${{ hashFiles('composer.json') }}
+
+      - name: Setup PHP
+        uses: shivammathur/setup-php@v2
+        with:
+          php-version: ${{ matrix.php }}
+          extensions: mbstring
+          coverage: none
+
+      - name: Install Composer dependencies
+        run: |
+          composer update --${{ matrix.dependency-version }} --prefer-dist --no-interaction --no-suggest
+          composer update sebastian/comparator
+
+      - name: Configure matchers
+        uses: mheap/phpunit-matcher-action@master
+
+      - name: Execute tests
+        run: vendor/bin/phpunit --teamcity
diff --git a/src/Service/Addresses.php b/src/Service/Addresses.php
index ddcfd99..221cb86 100644
--- a/src/Service/Addresses.php
+++ b/src/Service/Addresses.php
@@ -3,7 +3,7 @@
 namespace Opdavies\GmailFilterBuilder\Service;
 
 use Opdavies\GmailFilterBuilder\Exception\PartialNotFoundException;
-use Tightenco\Collect\Support\Collection;
+use Illuminate\Support\Collection;
 
 /**
  * A service for loading addresses from separate files.
diff --git a/tests/Unit/Service/AddressesTest.php b/tests/Unit/Service/AddressesTest.php
index d64495f..9b25398 100644
--- a/tests/Unit/Service/AddressesTest.php
+++ b/tests/Unit/Service/AddressesTest.php
@@ -5,7 +5,7 @@ namespace Opdavies\Tests\GmailFilterBuilder\Service;
 use Opdavies\GmailFilterBuilder\Exception\PartialNotFoundException;
 use Opdavies\GmailFilterBuilder\Service\Addresses;
 use PHPUnit\Framework\TestCase;
-use Tightenco\Collect\Support\Collection;
+use Illuminate\Support\Collection;
 
 /**
  * Test loading addresses from a separate file.