diff --git a/.changeset/tricky-geese-shout.md b/.changeset/tricky-geese-shout.md
new file mode 100644
index 00000000000..a0b70b4405c
--- /dev/null
+++ b/.changeset/tricky-geese-shout.md
@@ -0,0 +1,5 @@
+---
+'@firebase/vertexai': patch
+---
+
+Label `GroundingAttribution` as deprecated.
diff --git a/common/api-review/vertexai.api.md b/common/api-review/vertexai.api.md
index cfe2bcc4c66..f5aca03c1bd 100644
--- a/common/api-review/vertexai.api.md
+++ b/common/api-review/vertexai.api.md
@@ -352,7 +352,7 @@ export function getImagenModel(vertexAI: VertexAI, modelParams: ImagenModelParam
 // @public
 export function getVertexAI(app?: FirebaseApp, options?: VertexAIOptions): VertexAI;
 
-// @public (undocumented)
+// @public @deprecated (undocumented)
 export interface GroundingAttribution {
     // (undocumented)
     confidenceScore?: number;
@@ -366,7 +366,7 @@ export interface GroundingAttribution {
 
 // @public
 export interface GroundingMetadata {
-    // (undocumented)
+    // @deprecated (undocumented)
     groundingAttributions: GroundingAttribution[];
     // (undocumented)
     retrievalQueries?: string[];
diff --git a/docs-devsite/vertexai.groundingattribution.md b/docs-devsite/vertexai.groundingattribution.md
index b72d8150635..b3a3b6257c3 100644
--- a/docs-devsite/vertexai.groundingattribution.md
+++ b/docs-devsite/vertexai.groundingattribution.md
@@ -10,6 +10,9 @@ https://github.com/firebase/firebase-js-sdk
 {% endcomment %}
 
 # GroundingAttribution interface
+> Warning: This API is now obsolete.
+> 
+> 
 
 <b>Signature:</b>
 
diff --git a/docs-devsite/vertexai.groundingmetadata.md b/docs-devsite/vertexai.groundingmetadata.md
index 186f00d29a7..24686da39ba 100644
--- a/docs-devsite/vertexai.groundingmetadata.md
+++ b/docs-devsite/vertexai.groundingmetadata.md
@@ -28,6 +28,10 @@ export interface GroundingMetadata
 
 ## GroundingMetadata.groundingAttributions
 
+> Warning: This API is now obsolete.
+> 
+> 
+
 <b>Signature:</b>
 
 ```typescript
diff --git a/packages/vertexai/src/types/responses.ts b/packages/vertexai/src/types/responses.ts
index 5685ed68ad6..437d33e9a47 100644
--- a/packages/vertexai/src/types/responses.ts
+++ b/packages/vertexai/src/types/responses.ts
@@ -153,10 +153,14 @@ export interface Citation {
 export interface GroundingMetadata {
   webSearchQueries?: string[];
   retrievalQueries?: string[];
+  /**
+   * @deprecated
+   */
   groundingAttributions: GroundingAttribution[];
 }
 
 /**
+ * @deprecated
  * @public
  */
 export interface GroundingAttribution {