diff --git a/CHANGELOG.md b/CHANGELOG.md
index d19fb5c..285ce84 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,12 +2,19 @@
 
 All notable changes to this project will be documented in this file, per [the Keep a Changelog standard](http://keepachangelog.com/).
 
+## [0.4.0] - 2023-09-07
+
+### Added
+
+- Translation support.
+- Portuguese translation.
+
 ## [0.3.0] - 2023-09-01
 
 ### Added
 
 - 'Cover' and 'Quote' blocks to list of allowed blocks.
-- CODEOWNERS file
+- CODEOWNERS file.
 
 ### Fixed
 
diff --git a/accordion-block.php b/accordion-block.php
index eabda75..3a1ee5d 100644
--- a/accordion-block.php
+++ b/accordion-block.php
@@ -5,7 +5,7 @@
  * Plugin URI:        https://pixelalbatross.pt/?utm_source=wp-plugins&utm_medium=accordion-block&utm_campaign=plugin-uri
  * Requires at least: 6.1
  * Requires PHP:      7.4
- * Version:           0.3.0
+ * Version:           0.4.0
  * Author:            Pixel Albatross
  * Author URI:        https://pixelalbatross.pt/?utm_source=wp-plugins&utm_medium=accordion-block&utm_campaign=author-uri
  * License:           GPL-2.0-or-later
@@ -17,6 +17,13 @@
  * @package           pixelalbatross/accordion-block
  */
 
+// If this file is called directly, abort.
+if ( ! defined( 'WPINC' ) ) {
+	die;
+}
+
+define( 'PIXELALBATROSS_ACCORDION_BLOCK_PLUGIN_PATH', plugin_dir_path( __FILE__ ) );
+
 /**
  * Registers the block using the metadata loaded from the `block.json` file.
  * Behind the scenes, it registers also all assets so they can be enqueued
@@ -26,21 +33,19 @@
  */
 function pixelalbatross_accordion_block_init() {
 
-	$blocks = [
-		'accordion',
-		'accordion-item',
-	];
+	$block_json_files = glob( PIXELALBATROSS_ACCORDION_BLOCK_PLUGIN_PATH . 'build/*/block.json' );
 
-	foreach ( $blocks as $block ) {
-		$folder     = sprintf( '%s/build/%s', __DIR__, $block );
-		$block_type = register_block_type( $folder );
+	foreach ( $block_json_files as $filename ) {
+
+		$block_folder = dirname( $filename );
+		$block_type   = register_block_type_from_metadata( $block_folder );
 
 		if ( ! empty( $block_type->editor_script_handles ) ) {
 			foreach ( $block_type->editor_script_handles as $handle ) {
 				wp_set_script_translations(
 					$handle,
 					'accordion-block',
-					plugin_dir_path( __FILE__ ) . 'languages'
+					PIXELALBATROSS_ACCORDION_BLOCK_PLUGIN_PATH . 'languages'
 				);
 			}
 		}
@@ -48,6 +53,16 @@ function pixelalbatross_accordion_block_init() {
 }
 add_action( 'init', 'pixelalbatross_accordion_block_init' );
 
+/**
+ * Registers the block textdomain.
+ *
+ * @return void
+ */
+function pixelalbatross_accordion_block_i18n() {
+	load_plugin_textdomain( 'accordion-block', false, plugin_basename( PIXELALBATROSS_ACCORDION_BLOCK_PLUGIN_PATH ) . '/languages' );
+}
+add_action( 'plugins_loaded', 'pixelalbatross_accordion_block_i18n' );
+
 /**
  * Handles JavaScript detection.
  *
diff --git a/build/accordion-item/block.json b/build/accordion-item/block.json
index 0ca3c62..a5c0bd9 100644
--- a/build/accordion-item/block.json
+++ b/build/accordion-item/block.json
@@ -10,7 +10,6 @@
   "icon": "editor-table",
   "description": "Display content in collapsible sections.",
   "keywords": [],
-  "version": "0.1.0",
   "textdomain": "accordion-block",
   "attributes": {
     "title": {
diff --git a/build/accordion/block.json b/build/accordion/block.json
index 47d4742..118c5f1 100644
--- a/build/accordion/block.json
+++ b/build/accordion/block.json
@@ -10,7 +10,6 @@
     "accordion",
     "collapse"
   ],
-  "version": "0.1.0",
   "textdomain": "accordion-block",
   "attributes": {},
   "supports": {
diff --git a/languages/accordion-block-pt_PT-4457a9e824d8b4dd57c303b27afba012.json b/languages/accordion-block-pt_PT-4457a9e824d8b4dd57c303b27afba012.json
index 0844f1f..ade936a 100644
--- a/languages/accordion-block-pt_PT-4457a9e824d8b4dd57c303b27afba012.json
+++ b/languages/accordion-block-pt_PT-4457a9e824d8b4dd57c303b27afba012.json
@@ -1 +1 @@
-{"translation-revision-date":"2023-09-07 01:36+0100","generator":"WP-CLI\/2.8.1","source":"build\/accordion-item\/index.js","domain":"messages","locale_data":{"messages":{"":{"domain":"messages","lang":"pt_PT","plural-forms":"nplurals=2; plural=(n != 1);"},"Accordion Title":["T\u00edtulo do acorde\u00e3o"],"Settings":["Configura\u00e7\u00f5es"],"Expand by default":["Expandir por omiss\u00e3o"],"When enabled, the item will be expanded by default on page load.":["Quando activado, o item ser\u00e1 expandido por omiss\u00e3o no carregamento da p\u00e1gina."]}}}
\ No newline at end of file
+{"translation-revision-date":"2023-09-07 02:03+0100","generator":"WP-CLI\/2.8.1","source":"build\/accordion-item\/index.js","domain":"messages","locale_data":{"messages":{"":{"domain":"messages","lang":"pt_PT","plural-forms":"nplurals=2; plural=(n != 1);"},"Accordion Title":["T\u00edtulo do acorde\u00e3o"],"Settings":["Configura\u00e7\u00f5es"],"Expand by default":["Expandir por omiss\u00e3o"],"When enabled, the item will be expanded by default on page load.":["Quando activado, o item ser\u00e1 expandido por omiss\u00e3o no carregamento da p\u00e1gina."]}}}
\ No newline at end of file
diff --git a/languages/accordion-block-pt_PT.mo b/languages/accordion-block-pt_PT.mo
index 3a5562c..1faeaa5 100644
Binary files a/languages/accordion-block-pt_PT.mo and b/languages/accordion-block-pt_PT.mo differ
diff --git a/languages/accordion-block-pt_PT.po b/languages/accordion-block-pt_PT.po
index f4eb749..bf3aca3 100644
--- a/languages/accordion-block-pt_PT.po
+++ b/languages/accordion-block-pt_PT.po
@@ -2,14 +2,14 @@ msgid ""
 msgstr ""
 "Project-Id-Version: Accordion Block 0.3.0\n"
 "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/accordion-block\n"
-"POT-Creation-Date: 2023-09-07T00:21:35+00:00\n"
-"PO-Revision-Date: 2023-09-07 02:03+0100\n"
 "Last-Translator: \n"
 "Language-Team: \n"
-"Language: pt_PT\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
+"POT-Creation-Date: 2023-09-07T00:21:35+00:00\n"
+"PO-Revision-Date: 2023-09-07 02:03+0100\n"
+"Language: pt_PT\n"
 "X-Generator: Poedit 3.3.2\n"
 "X-Domain: accordion-block\n"
 
@@ -50,7 +50,8 @@ msgctxt "block title"
 msgid "Accordion Item"
 msgstr "Item de acordeão"
 
-#: build/accordion-item/block.json build/accordion/block.json
+#: build/accordion-item/block.json
+#: build/accordion/block.json
 msgctxt "block description"
 msgid "Display content in collapsible sections."
 msgstr "Apresentar conteúdo em secções recolhíveis."
diff --git a/languages/accordion-block.pot b/languages/accordion-block.pot
index 71a3a15..050e3ff 100644
--- a/languages/accordion-block.pot
+++ b/languages/accordion-block.pot
@@ -2,14 +2,14 @@
 # This file is distributed under the GPL-2.0-or-later.
 msgid ""
 msgstr ""
-"Project-Id-Version: Accordion Block 0.3.0\n"
+"Project-Id-Version: Accordion Block 0.4.0\n"
 "Report-Msgid-Bugs-To: https://wordpress.org/support/plugin/accordion-block\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
 "MIME-Version: 1.0\n"
 "Content-Type: text/plain; charset=UTF-8\n"
 "Content-Transfer-Encoding: 8bit\n"
-"POT-Creation-Date: 2023-09-07T00:57:15+00:00\n"
+"POT-Creation-Date: 2023-09-07T18:15:02+00:00\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "X-Generator: WP-CLI 2.8.1\n"
 "X-Domain: accordion-block\n"
diff --git a/src/accordion-item/block.json b/src/accordion-item/block.json
index cc81a2d..549252d 100644
--- a/src/accordion-item/block.json
+++ b/src/accordion-item/block.json
@@ -10,7 +10,6 @@
   "icon": "editor-table",
   "description": "Display content in collapsible sections.",
   "keywords": [],
-  "version": "0.1.0",
   "textdomain": "accordion-block",
   "attributes": {
     "title": {
diff --git a/src/accordion/block.json b/src/accordion/block.json
index 9872ab4..9d73dc2 100644
--- a/src/accordion/block.json
+++ b/src/accordion/block.json
@@ -10,7 +10,6 @@
     "accordion",
     "collapse"
   ],
-  "version": "0.1.0",
   "textdomain": "accordion-block",
   "attributes": {},
   "supports": {