diff --git a/src/Data/GenerationConfig.php b/src/Data/GenerationConfig.php
index 1ba11a5..e794367 100644
--- a/src/Data/GenerationConfig.php
+++ b/src/Data/GenerationConfig.php
@@ -35,6 +35,7 @@ final class GenerationConfig implements Arrayable
      * @param  SpeechConfig|null  $speechConfig  Optional. The speech generation config.
      * @param  ThinkingConfig|null  $thinkingConfig  Optional. Config for thinking features. An error will be returned if this field is set for models that don't support thinking.
      * @param  MediaResolution|null  $mediaResolution  Optional. If specified, the media resolution specified will be used.
+     * @param  ImageConfig|null  $imageConfig  Optional. Config for image generation features.
      */
     public function __construct(
         public readonly int $candidateCount = 1,
@@ -55,6 +56,7 @@ public function __construct(
         public readonly ?SpeechConfig $speechConfig = null,
         public readonly ?ThinkingConfig $thinkingConfig = null,
         public readonly ?MediaResolution $mediaResolution = null,
+        public readonly ?ImageConfig $imageConfig = null,
     ) {}
 
     public function toArray(): array
@@ -82,6 +84,7 @@ public function toArray(): array
                 'speechConfig' => $this->speechConfig?->toArray(),
                 'thinkingConfig' => $this->thinkingConfig?->toArray(),
                 'mediaResolution' => $this->mediaResolution?->value,
+                'imageConfig' => $this->imageConfig?->toArray(),
             ]
         );
     }
diff --git a/src/Data/ImageConfig.php b/src/Data/ImageConfig.php
new file mode 100644
index 0000000..7f55e42
--- /dev/null
+++ b/src/Data/ImageConfig.php
@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Gemini\Data;
+
+use Gemini\Contracts\Arrayable;
+
+/**
+ * Config for image generation features.
+ *
+ * https://ai.google.dev/api/generate-content#ImageConfig
+ */
+final class ImageConfig implements Arrayable
+{
+    /**
+     * @param  string  $aspectRatio  The aspect ratio of the image to generate. Supported aspect ratios: 1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 21:9. If not specified, the model will choose a default aspect ratio based on any reference images provided.
+     */
+    public function __construct(
+        public readonly string $aspectRatio,
+    ) {}
+
+    /**
+     * @param  array{ aspectRatio: string }  $attributes
+     */
+    public static function from(array $attributes): self
+    {
+        return new self(
+            aspectRatio: $attributes['aspectRatio'],
+        );
+    }
+
+    public function toArray(): array
+    {
+        return [
+            'aspectRatio' => $this->aspectRatio,
+        ];
+    }
+}
diff --git a/src/Enums/FinishReason.php b/src/Enums/FinishReason.php
index c6e00e6..2e11f70 100644
--- a/src/Enums/FinishReason.php
+++ b/src/Enums/FinishReason.php
@@ -71,6 +71,26 @@ enum FinishReason: string
      */
     case IMAGE_SAFETY = 'IMAGE_SAFETY';
 
+    /**
+     * Image generation stopped because generated images has other prohibited content.
+     */
+    case IMAGE_PROHIBITED_CONTENT = 'IMAGE_PROHIBITED_CONTENT';
+
+    /**
+     * Image generation stopped because of other miscellaneous issue.
+     */
+    case IMAGE_OTHER = 'IMAGE_OTHER';
+
+    /**
+     * The model was expected to generate an image, but none was generated.
+     */
+    case NO_IMAGE = 'NO_IMAGE';
+
+    /**
+     * Image generation stopped due to recitation.
+     */
+    case IMAGE_RECITATION = 'IMAGE_RECITATION';
+
     /**
      * Model generated a tool call but no tools were enabled in the request.
      */