diff --git a/composer.lock b/composer.lock
index 0db5660b..6ccfea61 100644
--- a/composer.lock
+++ b/composer.lock
@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "af4e82e5f2897d2cd7b5ef89e2393004",
+    "content-hash": "53fc53b1dd925583e5a4cb916927bd52",
     "packages": [
         {
             "name": "psr/container",
@@ -794,12 +794,12 @@
             "source": {
                 "type": "git",
                 "url": "https://github.com/Roave/SecurityAdvisories.git",
-                "reference": "244ae4d2e7c97fd65c23c34990f4e98571fd4729"
+                "reference": "6cbe3472c940a80f587886423020673520d36a29"
             },
             "dist": {
                 "type": "zip",
-                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/244ae4d2e7c97fd65c23c34990f4e98571fd4729",
-                "reference": "244ae4d2e7c97fd65c23c34990f4e98571fd4729",
+                "url": "https://api.github.com/repos/Roave/SecurityAdvisories/zipball/6cbe3472c940a80f587886423020673520d36a29",
+                "reference": "6cbe3472c940a80f587886423020673520d36a29",
                 "shasum": ""
             },
             "conflict": {
@@ -1123,7 +1123,7 @@
                 "open-web-analytics/open-web-analytics": "<1.7.4",
                 "opencart/opencart": "<=3.0.3.7",
                 "openid/php-openid": "<2.3",
-                "openmage/magento-lts": "<19.4.22|>=20,<20.0.19",
+                "openmage/magento-lts": "<=19.5|>=20,<=20.1",
                 "opensource-workshop/connect-cms": "<1.7.2|>=2,<2.3.2",
                 "orchid/platform": ">=9,<9.4.4|>=14.0.0.0-alpha4,<14.5",
                 "oro/commerce": ">=4.1,<5.0.6",
@@ -1452,7 +1452,7 @@
                     "type": "tidelift"
                 }
             ],
-            "time": "2023-09-11T14:04:42+00:00"
+            "time": "2023-09-11T21:04:03+00:00"
         }
     ],
     "aliases": [],
@@ -1463,6 +1463,7 @@
     "prefer-stable": false,
     "prefer-lowest": false,
     "platform": {
+        "ext-dom": "*",
         "ext-gettext": "*",
         "php": ">=8.1"
     },
diff --git a/src/MLD/Console/Command/ExportCommand.php b/src/MLD/Console/Command/ExportCommand.php
index fbaa75b1..86fdaac1 100755
--- a/src/MLD/Console/Command/ExportCommand.php
+++ b/src/MLD/Console/Command/ExportCommand.php
@@ -4,6 +4,7 @@
 
 namespace MLD\Console\Command;
 
+use JsonException;
 use MLD\Converter\Factory;
 use MLD\Enum\ExportCommandOptions;
 use MLD\Enum\Formats;
@@ -90,7 +91,12 @@ protected function execute(InputInterface $input, OutputInterface $output): int
         $this->setOutputDirectory($input);
         $this->createOutputDirectory($output);
 
-        $countries = $this->decodeInputFile();
+        try {
+            $countries = $this->decodeInputFile();
+        } catch (JsonException $exception) {
+            $output->writeln(sprintf('Failed to decode input countries file: %s', $exception->getMessage()));
+            return 1;
+        }
 
         $outputFields = $this->getOutputFields($input, $countries);
         if ($output->isVerbose()) {
@@ -194,10 +200,11 @@ private function getOutputFields(InputInterface $input, array $countries): array
 
     /**
      * @return array
+     * @throws JsonException
      */
     private function decodeInputFile(): array
     {
-        return json_decode(file_get_contents($this->inputFile), true);
+        return json_decode(file_get_contents($this->inputFile), true, 512, JSON_THROW_ON_ERROR);
     }
 
     /**
diff --git a/src/MLD/Converter/AbstractJsonConverter.php b/src/MLD/Converter/AbstractJsonConverter.php
index 22653abe..b29f3cd2 100755
--- a/src/MLD/Converter/AbstractJsonConverter.php
+++ b/src/MLD/Converter/AbstractJsonConverter.php
@@ -37,7 +37,7 @@ abstract protected function jsonEncode(array $countries): string;
     protected function processEmptyArrays(array $countries): array
     {
         return array_map(
-            function ($country) {
+            static function ($country) {
                 if (isset($country[Fields::LANGUAGES]) && empty($country[Fields::LANGUAGES])) {
                     $country[Fields::LANGUAGES] = new stdClass();
                 }
diff --git a/src/MLD/Converter/JsonConverter.php b/src/MLD/Converter/JsonConverter.php
index 88eabb3f..21fd7250 100755
--- a/src/MLD/Converter/JsonConverter.php
+++ b/src/MLD/Converter/JsonConverter.php
@@ -4,6 +4,8 @@
 
 namespace MLD\Converter;
 
+use JsonException;
+
 /**
  * Convert countries data to JSON format
  */
@@ -11,9 +13,10 @@ class JsonConverter extends AbstractJsonConverter
 {
     /**
      * @inheritDoc
+     * @throws JsonException
      */
     protected function jsonEncode(array $countries): string
     {
-        return json_encode($countries);
+        return json_encode($countries, JSON_THROW_ON_ERROR);
     }
 }
\ No newline at end of file
diff --git a/src/MLD/Converter/JsonConverterUnicode.php b/src/MLD/Converter/JsonConverterUnicode.php
index 7b056866..c85921f6 100755
--- a/src/MLD/Converter/JsonConverterUnicode.php
+++ b/src/MLD/Converter/JsonConverterUnicode.php
@@ -4,6 +4,8 @@
 
 namespace MLD\Converter;
 
+use JsonException;
+
 /**
  * Convert countries data to JSON format with unescaped characters
  */
@@ -11,9 +13,10 @@ class JsonConverterUnicode extends AbstractJsonConverter
 {
     /**
      * @inheritdoc
+     * @throws JsonException
      */
     protected function jsonEncode(array $countries): string
     {
-        return json_encode($countries, JSON_UNESCAPED_UNICODE);
+        return json_encode($countries, JSON_THROW_ON_ERROR | JSON_UNESCAPED_UNICODE);
     }
 }
\ No newline at end of file
diff --git a/src/MLD/Converter/XmlConverter.php b/src/MLD/Converter/XmlConverter.php
index 0c5fdffd..f4d69297 100755
--- a/src/MLD/Converter/XmlConverter.php
+++ b/src/MLD/Converter/XmlConverter.php
@@ -51,7 +51,7 @@ private function processCountry(array $country): void
     {
         $countryNode = $this->domDocument->createElement('country');
         $country = $this->flatten($country);
-        array_walk($country, function ($value, $key) use ($countryNode) {
+        array_walk($country, static function ($value, $key) use ($countryNode) {
             $countryNode->setAttribute($key, (string) $value);
         });
         $this->domDocument->documentElement->appendChild($countryNode);
diff --git a/src/MLD/Converter/YamlConverter.php b/src/MLD/Converter/YamlConverter.php
index 5d66dde5..9c184fda 100755
--- a/src/MLD/Converter/YamlConverter.php
+++ b/src/MLD/Converter/YamlConverter.php
@@ -18,8 +18,6 @@ class YamlConverter extends AbstractConverter
      */
     public function convert(array $countries): string
     {
-        $dumper = new Dumper();
-
-        return $dumper->dump($countries, self::INLINE_LEVEL);
+        return (new Dumper())->dump($countries, self::INLINE_LEVEL);
     }
 }
\ No newline at end of file