diff --git a/contributing/samples/adk_triaging_agent/agent.py b/contributing/samples/adk_triaging_agent/agent.py
index ecf574572..4ebe796a1 100644
--- a/contributing/samples/adk_triaging_agent/agent.py
+++ b/contributing/samples/adk_triaging_agent/agent.py
@@ -15,6 +15,7 @@
 import os
 
 from google.adk import Agent
+from google.genai import types
 import requests
 
 GITHUB_TOKEN = os.getenv("GITHUB_TOKEN")
@@ -115,7 +116,7 @@ def add_label_to_issue(issue_number: str, label: str):
 )
 
 root_agent = Agent(
-    model="gemini-2.5-pro-preview-05-06",
+    model="gemini-2.5-pro",
     name="adk_triaging_assistant",
     description="Triage ADK issues.",
     instruction=f"""
@@ -142,4 +143,7 @@ def add_label_to_issue(issue_number: str, label: str):
         list_issues,
         add_label_to_issue,
     ],
+    generate_content_config=types.GenerateContentConfig(
+        temperature=0.0,
+    ),
 )
diff --git a/contributing/samples/adk_triaging_agent/main.py b/contributing/samples/adk_triaging_agent/main.py
index a749b26fc..109f269fc 100644
--- a/contributing/samples/adk_triaging_agent/main.py
+++ b/contributing/samples/adk_triaging_agent/main.py
@@ -116,7 +116,8 @@ async def run_agent_prompt(session: Session, prompt_text: str):
             f" \"{specific_issue['body']}\"\n\nBased on the rules, recommend an"
             " appropriate label and its justification."
             " Then, use the 'add_label_to_issue' tool to apply the label "
-            "directly to this issue."
+            "directly to this issue. Only label this issue, do not process"
+            " any other issues!"
             f" The issue number is {specific_issue['number']}."
         )
         await run_agent_prompt(session_11, prompt)