diff --git a/packages/ai/src/requests/stream-reader.test.ts b/packages/ai/src/requests/stream-reader.test.ts
index ea832c7816f..f0298082f68 100644
--- a/packages/ai/src/requests/stream-reader.test.ts
+++ b/packages/ai/src/requests/stream-reader.test.ts
@@ -102,8 +102,8 @@ describe('processStream', () => {
       expect(response.text()).to.not.be.empty;
     }
     const aggregatedResponse = await result.response;
-    expect(aggregatedResponse.text()).to.include('**Cats:**');
-    expect(aggregatedResponse.text()).to.include('to their owners.');
+    expect(aggregatedResponse.text()).to.include('Okay');
+    expect(aggregatedResponse.text()).to.include('brewing delicious coffee');
   });
   it('streaming response - long - big chunk', async () => {
     const fakeResponse = getMockResponseStreaming(
@@ -116,8 +116,8 @@ describe('processStream', () => {
       expect(response.text()).to.not.be.empty;
     }
     const aggregatedResponse = await result.response;
-    expect(aggregatedResponse.text()).to.include('**Cats:**');
-    expect(aggregatedResponse.text()).to.include('to their owners.');
+    expect(aggregatedResponse.text()).to.include('Okay');
+    expect(aggregatedResponse.text()).to.include('brewing delicious coffee');
   });
   it('streaming response - utf8', async () => {
     const fakeResponse = getMockResponseStreaming(
diff --git a/scripts/update_vertexai_responses.sh b/scripts/update_vertexai_responses.sh
index 680a71ff776..f6557ab0c0a 100755
--- a/scripts/update_vertexai_responses.sh
+++ b/scripts/update_vertexai_responses.sh
@@ -17,7 +17,7 @@
 # This script replaces mock response files for Vertex AI unit tests with a fresh
 # clone of the shared repository of Vertex AI test data.
 
-RESPONSES_VERSION='v11.*' # The major version of mock responses to use
+RESPONSES_VERSION='v14.*' # The major version of mock responses to use
 REPO_NAME="vertexai-sdk-test-data"
 REPO_LINK="https://github.com/FirebaseExtended/$REPO_NAME.git"