diff --git a/.travis.yml b/.travis.yml
index 69eda65..bd20266 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,8 @@
 language: php
 
 php:
-  - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
+  - 7.3
+  - 7.4
 
 sudo: false
 
diff --git a/CHANGELOG.md b/CHANGELOG.md
index ee52c3c..5af0bf9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,10 +7,25 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 
+## [1.0.0] - 2021-05-20
+### Fixed
+  * [#13](https://github.com/drupal-composer/info-rewrite/pull/13): Fix tests.
+  * [#15](https://github.com/drupal-composer/info-rewrite/pull/15): End info files with EOL character.
+  * [#16](https://github.com/drupal-composer/info-rewrite/pull/16): Set core and package info.
+  * [#19](https://github.com/drupal-composer/info-rewrite/pull/19): Don't run rollback on missing info files.
+  * [#22](https://github.com/drupal-composer/info-rewrite/pull/22): Add core key only if missing core_version_requirement
+
+### Added
+  * [#17](https://github.com/drupal-composer/info-rewrite/pull/17): Additional package types.
+
+### Changed
+  * [#24](https://github.com/drupal-composer/info-rewrite/pull/24): Adjusted "Information added by line" for clarity.
+
 ## [1.0.0 beta1] - 2018-03-01
 ### Fixed
   * [#7](https://github.com/drupal-composer/info-rewrite/pull/7): Fatal error when no `.info` files exist.
   * [#10](https://github.com/drupal-composer/info-rewrite/pull/10): Drupal core had 4-digit version string.
 
-[Unreleased]: https://github.com/drupal-composer/info-rewrite/compare/1.0.0-beta1...HEAD
+[Unreleased]: https://github.com/drupal-composer/info-rewrite/compare/1.0.0...HEAD
+[1.0.0]: https://github.com/drupal-composer/info-rewrite/compare/1.0.0-beta1...1.0.0
 [1.0.0 beta1]: https://github.com/drupal-composer/info-rewrite/compare/1.0.0-alpha1...1.0.0-beta1
diff --git a/composer.json b/composer.json
index 7a65ea3..a0495b6 100644
--- a/composer.json
+++ b/composer.json
@@ -20,10 +20,11 @@
     },
     "require-dev": {
         "composer/composer": "~1.0",
-        "jakub-onderka/php-parallel-lint": "~0.8",
+        "php-parallel-lint/php-parallel-lint": "^1.3",
         "mikey179/vfsstream": "~1.2",
-        "phpunit/phpunit": "~5.6",
-        "squizlabs/php_codesniffer": "~2.0"
+        "phpunit/phpunit": "^9",
+        "squizlabs/php_codesniffer": "^3.0",
+        "phpspec/prophecy-phpunit": "^2.0"
     },
     "autoload": {
         "psr-4": {
diff --git a/src/DrupalInfo.php b/src/DrupalInfo.php
index 978c567..ad73680 100644
--- a/src/DrupalInfo.php
+++ b/src/DrupalInfo.php
@@ -66,7 +66,6 @@ public function activate(Composer $composer, IOInterface $io)
      */
     public function deactivate(Composer $composer, IOInterface $io)
     {
-
     }
 
     /**
@@ -74,7 +73,6 @@ public function deactivate(Composer $composer, IOInterface $io)
      */
     public function uninstall(Composer $composer, IOInterface $io)
     {
-
     }
 
     /**
@@ -329,5 +327,4 @@ protected function getPackageFromOperation(OperationInterface $operation)
         }
         return $package;
     }
-
 }
diff --git a/tests/DrupalInfoTest.php b/tests/DrupalInfoTest.php
index f23c9de..78b5117 100644
--- a/tests/DrupalInfoTest.php
+++ b/tests/DrupalInfoTest.php
@@ -16,13 +16,16 @@
 use Composer\Script\Event;
 use Composer\Script\ScriptEvents;
 use DrupalComposer\Composer\DrupalInfo;
+use PHPUnit\Framework\TestCase;
+use Prophecy\PhpUnit\ProphecyTrait;
 
 /**
  * @coversDefaultClass \DrupalComposer\Composer\DrupalInfo
  */
-class DrupalInfoTest extends \PHPUnit_Framework_TestCase
+class DrupalInfoTest extends TestCase
 {
     use InfoFileTrait;
+    use ProphecyTrait;
 
     /**
      * @var Composer
@@ -42,7 +45,7 @@ class DrupalInfoTest extends \PHPUnit_Framework_TestCase
     /**
      * {@inheritdoc}
      */
-    protected function setUp()
+    protected function setUp():void
     {
         parent::setUp();
 
@@ -120,27 +123,13 @@ public function testInstallOperationWriteInfoFiles()
 
         foreach ($files as $file) {
             $this->assertFileExists($file);
-            $this->assertContains($info, file_get_contents($file));
+            $this->assertStringContainsString($info, file_get_contents($file));
         }
 
         // Verify that module with existing version information is not updated.
         $file = $this->getDirectory() . '/module_with_version/module_with_version.info.yml';
         $this->assertFileExists($file);
-        $this->assertNotContains($info, file_get_contents($file));
-    }
-
-    /**
-     * @covers ::writeInfoFiles
-     */
-    public function testUpdateOperationWriteInfoFiles()
-    {
-        $event = $this->prophesize(PackageEvent::class);
-        $operation = $this->prophesize(UpdateOperation::class);
-        $package = $this->prophesize(PackageInterface::class);
-        $package->getType()->willReturn('drupal-fo');
-        $operation->getTargetPackage()->willReturn($package->reveal());
-        $event->getOperation()->willReturn($operation->reveal());
-        $this->fixture->writeInfoFiles($event->reveal());
+        $this->assertStringNotContainsString($info, file_get_contents($file));
     }
 
     /**
@@ -186,20 +175,6 @@ public function testNoInfoFile()
         $this->fixture->writeInfoFiles($event->reveal());
     }
 
-    /**
-     * @covers ::writeInfoFiles
-     */
-    public function testIgnoredPackageType()
-    {
-        $event = $this->prophesize(PackageEvent::class);
-        $operation = $this->prophesize(InstallOperation::class);
-        $package = $this->prophesize(PackageInterface::class);
-        $package->getType()->willReturn('drupal-fo');
-        $operation->getPackage()->willReturn($package->reveal());
-        $event->getOperation()->willReturn($operation->reveal());
-        $this->fixture->writeInfoFiles($event->reveal());
-    }
-
     /**
      * @covers ::rollbackRewrite
      */
@@ -224,7 +199,7 @@ public function testRollbackRewrite()
             $handle = fopen($file, 'a');
             fwrite($handle, $info_pattern);
             fclose($handle);
-            $this->assertContains($info_pattern, file_get_contents($file));
+            $this->assertStringContainsString($info_pattern, file_get_contents($file));
         }
 
         $package = $this->prophesize(PackageInterface::class);
@@ -259,7 +234,7 @@ public function testRollbackRewrite()
         // Verify that 3 .info files are updated.
         foreach ($files as $file) {
             $contents = file_get_contents($file);
-            $this->assertNotContains($info_pattern, $contents);
+            $this->assertStringNotContainsString($info_pattern, $contents);
         }
     }
 
diff --git a/tests/Writer/FactoryTest.php b/tests/Writer/FactoryTest.php
index b10acbf..d515981 100644
--- a/tests/Writer/FactoryTest.php
+++ b/tests/Writer/FactoryTest.php
@@ -6,11 +6,12 @@
 use DrupalComposer\Composer\Writer\Drupal;
 use DrupalComposer\Composer\Writer\Drupal7;
 use DrupalComposer\Composer\Writer\Factory;
+use PHPUnit\Framework\TestCase;
 
 /**
  * @coversDefaultClass \DrupalComposer\Composer\Writer\Factory
  */
-class FactoryTest extends \PHPUnit_Framework_TestCase
+class FactoryTest extends TestCase
 {
     use InfoFileTrait;