diff --git a/gulpfile.cjs b/gulpfile.cjs
index 9cfe3f3..a9b8a29 100644
--- a/gulpfile.cjs
+++ b/gulpfile.cjs
@@ -12,7 +12,7 @@ function injectMetadata() {
     [
       FOLDER_BUILD + '/front/block-events-loader.js',
       FOLDER_BUILD + '/' + PACKAGE.name + '.php',
-      FOLDER_BUILD + '/includes/constants.php',
+      FOLDER_BUILD + '/includes/Constants.php',
       FOLDER_BUILD + '/readme.txt',
     ],
     { base: './' }
diff --git a/source/connector-mobilizon.php b/source/connector-mobilizon.php
index 68ed7ab..1190223 100644
--- a/source/connector-mobilizon.php
+++ b/source/connector-mobilizon.php
@@ -10,9 +10,9 @@
  * License:           <wordpress-license>
  */
 
-require_once __DIR__ . '/includes/exceptions/general-exception.php';
-require_once __DIR__ . '/includes/exceptions/group-not-found-exception.php';
-require_once __DIR__ . '/includes/constants.php';
+require_once __DIR__ . '/includes/exceptions/GeneralException.php';
+require_once __DIR__ . '/includes/exceptions/GroupNotFoundException.php';
+require_once __DIR__ . '/includes/Constants.php';
 require_once __DIR__ . '/includes/Settings.php';
 require_once __DIR__ . '/includes/DateTimeWrapper.php';
 require_once __DIR__ . '/includes/Formatter.php';
diff --git a/source/includes/constants.php b/source/includes/Constants.php
similarity index 100%
rename from source/includes/constants.php
rename to source/includes/Constants.php
diff --git a/source/includes/exceptions/general-exception.php b/source/includes/exceptions/GeneralException.php
similarity index 100%
rename from source/includes/exceptions/general-exception.php
rename to source/includes/exceptions/GeneralException.php
diff --git a/source/includes/exceptions/group-not-found-exception.php b/source/includes/exceptions/GroupNotFoundException.php
similarity index 100%
rename from source/includes/exceptions/group-not-found-exception.php
rename to source/includes/exceptions/GroupNotFoundException.php
diff --git a/source/uninstall.php b/source/uninstall.php
index 4342684..67e868f 100644
--- a/source/uninstall.php
+++ b/source/uninstall.php
@@ -1,6 +1,6 @@
 <?php
-require_once __DIR__ . '/includes/constants.php';
-require_once __DIR__ . '/includes/settings.php';
+require_once __DIR__ . '/includes/Constants.php';
+require_once __DIR__ . '/includes/Settings.php';
 
 // If uninstall.php is not called by WordPress, exit.
 if (!defined('WP_UNINSTALL_PLUGIN')) {