diff --git a/config/config.php b/config/config.php
index e264a27..12e679d 100644
--- a/config/config.php
+++ b/config/config.php
@@ -82,6 +82,14 @@
              */
             'voice_id' => env('AWS_VOICE_ID', 'Amy'),
 
+            /**
+             * You can request any or all of the speech mark types, but leave it empty if you don't use speech marks.
+             * You may add any of the following:.
+             *
+             * sentence, word, viseme, ssml
+             */
+            'speech_marks' => [],
+
             /**
              * IAM Credentials from AWS.
              */
diff --git a/src/Converters/PollyConverter.php b/src/Converters/PollyConverter.php
index b787ea0..8faf49c 100644
--- a/src/Converters/PollyConverter.php
+++ b/src/Converters/PollyConverter.php
@@ -87,12 +87,14 @@ public function convert(string $data, array $options = null)
      */
     protected function synthesizeSpeech($text, array $options = null)
     {
+        $speechMarks = $this->getSpeechMarks();
+
         $arguments = [
             'LanguageCode'    => $this->getLanguage(),
             'VoiceId'         => $this->voice($options),
             'OutputFormat'    => $this->format($options),
             'TextType'        => $this->textType(),
-            'SpeechMarkTypes' => $this->speechMarks,
+            'SpeechMarkTypes' => $speechMarks,
         ];
 
         if (is_string($text)) {
@@ -204,6 +206,18 @@ protected function format($options)
         return Arr::get($options, 'format', $default);
     }
 
+    /**
+     * Get the speech marks.
+     *
+     * @return array
+     */
+    protected function getSpeechMarks()
+    {
+        $default = config('tts.services.polly.speech_marks', []);
+
+        return ! empty($this->speechMarks) ? $this->speechMarks : $default;
+    }
+
     /**
      * Get the content of the result from AWS Polly.
      *
@@ -222,7 +236,7 @@ protected function getResultContent($result)
      */
     protected function hasSpeechMarks()
     {
-        return ! empty($this->speechMarks);
+        return ! empty($this->getSpeechMarks());
     }
 
     /**