diff --git a/google/genai/_gaos/types/interactions/__init__.py b/google/genai/_gaos/types/interactions/__init__.py
index 28882c2ea..71bfd6481 100644
--- a/google/genai/_gaos/types/interactions/__init__.py
+++ b/google/genai/_gaos/types/interactions/__init__.py
@@ -398,6 +398,7 @@
     )
     from .videodelta import VideoDelta, VideoDeltaMimeType, VideoDeltaTypedDict
     from .videoresponseformat import (
+        Resolution,
         VideoResponseFormat,
         VideoResponseFormatAspectRatio,
         VideoResponseFormatDelivery,
@@ -655,6 +656,7 @@
     "RagStoreConfigParam",
     "Ranking",
     "RankingParam",
+    "Resolution",
     "ResponseFormat",
     "ResponseFormatParam",
     "ResponseModality",
@@ -1150,6 +1152,7 @@
     "VideoDelta": ".videodelta",
     "VideoDeltaMimeType": ".videodelta",
     "VideoDeltaTypedDict": ".videodelta",
+    "Resolution": ".videoresponseformat",
     "VideoResponseFormat": ".videoresponseformat",
     "VideoResponseFormatAspectRatio": ".videoresponseformat",
     "VideoResponseFormatDelivery": ".videoresponseformat",
diff --git a/google/genai/_gaos/types/interactions/videoconfig.py b/google/genai/_gaos/types/interactions/videoconfig.py
index b23f0a988..e20ceedeb 100644
--- a/google/genai/_gaos/types/interactions/videoconfig.py
+++ b/google/genai/_gaos/types/interactions/videoconfig.py
@@ -29,6 +29,7 @@
         "image_to_video",
         "reference_to_video",
         "edit",
+        "extend",
     ],
     UnrecognizedStr,
 ]
diff --git a/google/genai/_gaos/types/interactions/videoresponseformat.py b/google/genai/_gaos/types/interactions/videoresponseformat.py
index 672c538c7..ecddee400 100644
--- a/google/genai/_gaos/types/interactions/videoresponseformat.py
+++ b/google/genai/_gaos/types/interactions/videoresponseformat.py
@@ -46,6 +46,18 @@
 r"""The delivery mode for the video output."""
 
 
+Resolution = Union[
+    Literal[
+        "360p",
+        "720p",
+        "1080p",
+        "4k",
+    ],
+    UnrecognizedStr,
+]
+r"""The video output resolution. Defaults to 720p."""
+
+
 class VideoResponseFormatParam(TypedDict):
     r"""Configuration for video output format."""
 
@@ -59,6 +71,8 @@ class VideoResponseFormatParam(TypedDict):
     r"""The Cloud Storage URI to store the video output. Required for Vertex if
     delivery mode is URI.
     """
+    resolution: NotRequired[Resolution]
+    r"""The video output resolution. Defaults to 720p."""
     type: Literal["video"]
 
 
@@ -79,6 +93,9 @@ class VideoResponseFormat(BaseModel):
     delivery mode is URI.
     """
 
+    resolution: Optional[Resolution] = None
+    r"""The video output resolution. Defaults to 720p."""
+
     type: Annotated[
         Annotated[Literal["video"], AfterValidator(validate_const("video"))],
         pydantic.Field(alias="type"),
@@ -86,7 +103,9 @@ class VideoResponseFormat(BaseModel):
 
     @model_serializer(mode="wrap")
     def serialize_model(self, handler):
-        optional_fields = set(["aspect_ratio", "delivery", "duration", "gcs_uri"])
+        optional_fields = set(
+            ["aspect_ratio", "delivery", "duration", "gcs_uri", "resolution"]
+        )
         serialized = handler(self)
         m = {}