diff --git a/composer.json b/composer.json
index fe8dff3..4764058 100644
--- a/composer.json
+++ b/composer.json
@@ -14,7 +14,7 @@
     "require": {
         "php": ">=8.1",
         "myclabs/deep-copy": "^1.11",
-        "programmatordev/php-api-sdk": "^0.2.0",
+        "programmatordev/php-api-sdk": "^1.0",
         "programmatordev/yet-another-php-validator": "^1.1"
     },
     "require-dev": {
diff --git a/docs/05-entities.md b/docs/05-entities.md
index 412e901..5b136e2 100644
--- a/docs/05-entities.md
+++ b/docs/05-entities.md
@@ -27,8 +27,6 @@
   - [Condition](#condition)
   - [Icon](#icon)
   - [Location](#location)
-  - [MoonPhase](#moonphase)
-  - [Temperature](#temperature)
   - [Timezone](#timezone)
   - [Wind](#wind)
 
diff --git a/src/OpenWeatherMap.php b/src/OpenWeatherMap.php
index 427f5b0..845c29c 100644
--- a/src/OpenWeatherMap.php
+++ b/src/OpenWeatherMap.php
@@ -62,7 +62,6 @@ private function configureOptions(array $options): array
         $this->optionsResolver->setAllowedTypes('language', 'string');
 
         $this->optionsResolver->setAllowedValues('unitSystem', UnitSystem::getOptions());
-        $this->optionsResolver->setAllowedValues('language', Language::getOptions());
 
         return $this->optionsResolver->resolve($options);
     }
@@ -76,7 +75,7 @@ private function configureApi(): void
         $this->addQueryDefault('units', $this->options['unitSystem']);
         $this->addQueryDefault('lang', $this->options['language']);
 
-        $this->addPostRequestHandler(function(PostRequestEvent $event) {
+        $this->addPostRequestListener(function(PostRequestEvent $event) {
             $response = $event->getResponse();
             $statusCode = $response->getStatusCode();
 
@@ -94,7 +93,7 @@ private function configureApi(): void
             }
         });
 
-        $this->addResponseContentsHandler(function(ResponseContentsEvent $event) {
+        $this->addResponseContentsListener(function(ResponseContentsEvent $event) {
             // decode json string response into an array
             $contents = $event->getContents();
             $contents = \json_decode($contents, true);
diff --git a/src/Resource/Util/LanguageTrait.php b/src/Resource/Util/LanguageTrait.php
index 76e6493..fecfad7 100644
--- a/src/Resource/Util/LanguageTrait.php
+++ b/src/Resource/Util/LanguageTrait.php
@@ -2,20 +2,12 @@
 
 namespace ProgrammatorDev\OpenWeatherMap\Resource\Util;
 
-use ProgrammatorDev\Validator\Exception\ValidationException;
 use function DeepCopy\deep_copy;
 
 trait LanguageTrait
 {
-    use ValidationTrait;
-
-    /**
-     * @throws ValidationException
-     */
     public function withLanguage(string $language): static
     {
-        $this->validateLanguage($language);
-
         $clone = deep_copy($this, true);
         $clone->api->addQueryDefault('lang', $language);
 
diff --git a/tests/Integration/LanguageTraitTest.php b/tests/Integration/LanguageTraitTest.php
index 2419017..79651ee 100644
--- a/tests/Integration/LanguageTraitTest.php
+++ b/tests/Integration/LanguageTraitTest.php
@@ -5,7 +5,6 @@
 use ProgrammatorDev\OpenWeatherMap\Resource\Resource;
 use ProgrammatorDev\OpenWeatherMap\Resource\Util\LanguageTrait;
 use ProgrammatorDev\OpenWeatherMap\Test\AbstractTest;
-use ProgrammatorDev\Validator\Exception\ValidationException;
 
 class LanguageTraitTest extends AbstractTest
 {
@@ -30,10 +29,4 @@ public function testMethods(): void
         $this->assertSame('pt', $this->resource->withLanguage('pt')->getLanguage());
         $this->assertSame('en', $this->resource->getLanguage()); // back to default value
     }
-
-    public function testValidationException(): void
-    {
-        $this->expectException(ValidationException::class);
-        $this->resource->withLanguage('invalid');
-    }
 }
\ No newline at end of file