diff --git a/examples/demo_async.py b/examples/demo_async.py
index 718ddd2a..e4ec78d0 100644
--- a/examples/demo_async.py
+++ b/examples/demo_async.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env poetry run python
+#!/usr/bin/env -S poetry run python
 
 import asyncio
 
diff --git a/examples/demo_sync.py b/examples/demo_sync.py
index a60846e0..0c1c0084 100644
--- a/examples/demo_sync.py
+++ b/examples/demo_sync.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env poetry run python
+#!/usr/bin/env -S poetry run python
 
 import anthropic
 from anthropic import Anthropic
diff --git a/examples/streaming.py b/examples/streaming.py
index 1d91b531..e94b9a6d 100644
--- a/examples/streaming.py
+++ b/examples/streaming.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env poetry run python
+#!/usr/bin/env -S poetry run python
 
 import asyncio
 
diff --git a/examples/tokens.py b/examples/tokens.py
index 4f7d515c..d3e1ceec 100644
--- a/examples/tokens.py
+++ b/examples/tokens.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env poetry run python
+#!/usr/bin/env -S poetry run python
 
 import asyncio