diff --git a/CHANGELOG.md b/CHANGELOG.md
index e284ed1..7ff5b78 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -6,6 +6,10 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
+### Changed
+
+- BC-Break: The top-level namespace for all classes has changed from `JakubOnderka` to `PHP_Parallel_Lint`. [#10](https://github.com/php-parallel-lint/PHP-Console-Color/pull/10) from [@grogy](https://github.com/grogy).
+
 ### Added
 
 - Added downloading per month badge from [@grogy](https://github.com/grogy).
diff --git a/composer.json b/composer.json
index 94aba0f..fec8f5e 100644
--- a/composer.json
+++ b/composer.json
@@ -8,7 +8,10 @@
         }
     ],
     "autoload": {
-        "psr-4": {"JakubOnderka\\PhpConsoleColor\\": "src/"}
+        "psr-4": {"PHP_Parallel_Lint\\PhpConsoleColor\\": "src/"}
+    },
+    "autoload-dev": {
+        "psr-4": {"PHP_Parallel_Lint\\PhpConsoleColor\\Test\\": "tests/"}
     },
     "require": {
         "php": ">=5.4.0"
diff --git a/example.php b/example.php
index 5e698a2..3ac1b2d 100644
--- a/example.php
+++ b/example.php
@@ -1,7 +1,7 @@
 <?php
 $loader = require_once __DIR__ . '/vendor/autoload.php';
 
-$consoleColor = new JakubOnderka\PhpConsoleColor\ConsoleColor();
+$consoleColor = new PHP_Parallel_Lint\PhpConsoleColor\ConsoleColor();
 
 echo "Colors are supported: " . ($consoleColor->isSupported() ? 'Yes' : 'No') . "\n";
 echo "256 colors are supported: " . ($consoleColor->are256ColorsSupported() ? 'Yes' : 'No') . "\n\n";
diff --git a/src/ConsoleColor.php b/src/ConsoleColor.php
index 90fd125..b7234ed 100644
--- a/src/ConsoleColor.php
+++ b/src/ConsoleColor.php
@@ -1,5 +1,5 @@
 <?php
-namespace JakubOnderka\PhpConsoleColor;
+namespace PHP_Parallel_Lint\PhpConsoleColor;
 
 class ConsoleColor
 {
diff --git a/src/InvalidStyleException.php b/src/InvalidStyleException.php
index 6f1586f..c8d71b0 100644
--- a/src/InvalidStyleException.php
+++ b/src/InvalidStyleException.php
@@ -1,5 +1,5 @@
 <?php
-namespace JakubOnderka\PhpConsoleColor;
+namespace PHP_Parallel_Lint\PhpConsoleColor;
 
 class InvalidStyleException extends \Exception
 {
diff --git a/tests/ConsoleColorTest.php b/tests/ConsoleColorTest.php
index f9a5398..ce09f15 100644
--- a/tests/ConsoleColorTest.php
+++ b/tests/ConsoleColorTest.php
@@ -1,5 +1,7 @@
 <?php
-use JakubOnderka\PhpConsoleColor\ConsoleColor;
+namespace PHP_Parallel_Lint\PhpConsoleColor\Test;
+
+use PHP_Parallel_Lint\PhpConsoleColor\ConsoleColor;
 use PHPUnit\Framework\TestCase;
 
 class ConsoleColorWithForceSupport extends ConsoleColor
@@ -148,24 +150,24 @@ public function testHasAndRemoveTheme()
     public function testApplyInvalidArgument()
     {
         $this->exceptionHelper('\InvalidArgumentException');
-        $this->uut->apply(new stdClass(), 'text');
+        $this->uut->apply(new \stdClass(), 'text');
     }
 
     public function testApplyInvalidStyleName()
     {
-        $this->exceptionHelper('\JakubOnderka\PhpConsoleColor\InvalidStyleException');
+        $this->exceptionHelper('\PHP_Parallel_Lint\PhpConsoleColor\InvalidStyleException');
         $this->uut->apply('invalid', 'text');
     }
 
     public function testApplyInvalid256Color()
     {
-        $this->exceptionHelper('\JakubOnderka\PhpConsoleColor\InvalidStyleException');
+        $this->exceptionHelper('\PHP_Parallel_Lint\PhpConsoleColor\InvalidStyleException');
         $this->uut->apply('color_2134', 'text');
     }
 
     public function testThemeInvalidStyle()
     {
-        $this->exceptionHelper('\JakubOnderka\PhpConsoleColor\InvalidStyleException');
+        $this->exceptionHelper('\PHP_Parallel_Lint\PhpConsoleColor\InvalidStyleException');
         $this->uut->addTheme('invalid', array('invalid'));
     }