diff --git a/composer.json b/composer.json
index 67be3e9..1912ac6 100644
--- a/composer.json
+++ b/composer.json
@@ -4,7 +4,7 @@
     "license": "LGPL-3.0",
     "autoload": {
         "psr-4": {
-            "Piwik\\GithubSync\\": "src/"
+            "Matomo\\GithubSync\\": "src/"
         }
     },
     "require": {
diff --git a/github-sync.php b/github-sync.php
index 9042c2a..5725268 100755
--- a/github-sync.php
+++ b/github-sync.php
@@ -1,7 +1,7 @@
 #!/usr/bin/env php
 <?php
 
-use Piwik\GithubSync\SyncCommand;
+use Matomo\GithubSync\SyncCommand;
 use Symfony\Component\Console\Application;
 
 require_once __DIR__ . '/vendor/autoload.php';
diff --git a/src/AbstractSynchronizer.php b/src/AbstractSynchronizer.php
index 3803a89..9a2ff53 100644
--- a/src/AbstractSynchronizer.php
+++ b/src/AbstractSynchronizer.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 use Symfony\Component\Console\Helper\QuestionHelper;
 use Symfony\Component\Console\Input\InputInterface;
diff --git a/src/AuthenticationRequiredException.php b/src/AuthenticationRequiredException.php
index e4cbfe1..61fd886 100644
--- a/src/AuthenticationRequiredException.php
+++ b/src/AuthenticationRequiredException.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 class AuthenticationRequiredException extends \Exception
 {
diff --git a/src/Github.php b/src/Github.php
index 75b8ee8..6629c00 100644
--- a/src/Github.php
+++ b/src/Github.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 use Github\Client;
 use Github\Exception\RuntimeException;
diff --git a/src/LabelSynchronizer.php b/src/LabelSynchronizer.php
index 003c2fb..87dbe2b 100644
--- a/src/LabelSynchronizer.php
+++ b/src/LabelSynchronizer.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 use ArrayComparator\ArrayComparator;
 
diff --git a/src/MilestoneSynchronizer.php b/src/MilestoneSynchronizer.php
index e25c300..6175c66 100644
--- a/src/MilestoneSynchronizer.php
+++ b/src/MilestoneSynchronizer.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 use ArrayComparator\ArrayComparator;
 
diff --git a/src/SyncCommand.php b/src/SyncCommand.php
index 9c5714a..5e8df68 100644
--- a/src/SyncCommand.php
+++ b/src/SyncCommand.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace Piwik\GithubSync;
+namespace Matomo\GithubSync;
 
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputArgument;