diff --git a/examples/function-calling/function-calling-anthropic-async.py b/examples/function-calling/function-calling-anthropic-async.py
index 979ebcd59..b727cbd13 100644
--- a/examples/function-calling/function-calling-anthropic-async.py
+++ b/examples/function-calling/function-calling-anthropic-async.py
@@ -77,6 +77,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = AnthropicLLMService(
         api_key=os.getenv("ANTHROPIC_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=AnthropicLLMService.Settings(
             system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
         ),
diff --git a/examples/function-calling/function-calling-google-async-stream.py b/examples/function-calling/function-calling-google-async-stream.py
index 0a2a1e831..c8d0f87db 100644
--- a/examples/function-calling/function-calling-google-async-stream.py
+++ b/examples/function-calling/function-calling-google-async-stream.py
@@ -118,6 +118,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = GoogleLLMService(
         api_key=os.getenv("GOOGLE_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=GoogleLLMService.Settings(
             system_instruction=(
                 "You are a helpful assistant in a voice conversation. "
diff --git a/examples/function-calling/function-calling-google-async.py b/examples/function-calling/function-calling-google-async.py
index 1b717d4f1..6892d4abd 100644
--- a/examples/function-calling/function-calling-google-async.py
+++ b/examples/function-calling/function-calling-google-async.py
@@ -128,6 +128,7 @@ indicate you should use the get_image tool are:
 
     llm = GoogleLLMService(
         api_key=os.getenv("GOOGLE_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=GoogleLLMService.Settings(
             system_instruction=system_prompt,
         ),
diff --git a/examples/function-calling/function-calling-openai-async-stream.py b/examples/function-calling/function-calling-openai-async-stream.py
index 5b4412489..1a3a6317b 100644
--- a/examples/function-calling/function-calling-openai-async-stream.py
+++ b/examples/function-calling/function-calling-openai-async-stream.py
@@ -118,6 +118,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = OpenAILLMService(
         api_key=os.getenv("OPENAI_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=OpenAILLMService.Settings(
             system_instruction=(
                 "You are a helpful assistant in a voice conversation. "
diff --git a/examples/function-calling/function-calling-openai-async.py b/examples/function-calling/function-calling-openai-async.py
index b5c5b83ac..7a7bd5ddd 100644
--- a/examples/function-calling/function-calling-openai-async.py
+++ b/examples/function-calling/function-calling-openai-async.py
@@ -87,6 +87,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = OpenAILLMService(
         api_key=os.getenv("OPENAI_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=OpenAILLMService.Settings(
             system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
         ),
diff --git a/examples/function-calling/function-calling-openai-responses-async-stream.py b/examples/function-calling/function-calling-openai-responses-async-stream.py
index 0862e4813..5bdde5cb3 100644
--- a/examples/function-calling/function-calling-openai-responses-async-stream.py
+++ b/examples/function-calling/function-calling-openai-responses-async-stream.py
@@ -118,6 +118,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = OpenAIResponsesLLMService(
         api_key=os.getenv("OPENAI_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=OpenAIResponsesLLMService.Settings(
             system_instruction=(
                 "You are a helpful assistant in a voice conversation. "
diff --git a/examples/function-calling/function-calling-openai-responses-async.py b/examples/function-calling/function-calling-openai-responses-async.py
index ba984bc04..16b21f212 100644
--- a/examples/function-calling/function-calling-openai-responses-async.py
+++ b/examples/function-calling/function-calling-openai-responses-async.py
@@ -77,6 +77,7 @@ async def run_bot(transport: BaseTransport, runner_args: RunnerArguments):
 
     llm = OpenAIResponsesLLMService(
         api_key=os.getenv("OPENAI_API_KEY"),
+        enable_async_tool_cancellation=True,
         settings=OpenAIResponsesLLMService.Settings(
             system_instruction="You are a helpful assistant in a voice conversation. Your responses will be spoken aloud, so avoid emojis, bullet points, or other formatting that can't be spoken. Respond to what the user said in a creative, helpful, and brief way.",
         ),