diff --git a/poetry.lock b/poetry.lock
index d1637e3..b284569 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -85,13 +85,13 @@ files = [
 
 [[package]]
 name = "httpcore"
-version = "1.0.7"
+version = "1.0.8"
 description = "A minimal low-level HTTP client."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "httpcore-1.0.7-py3-none-any.whl", hash = "sha256:a3fff8f43dc260d5bd363d9f9cf1830fa3a458b332856f34282de498ed420edd"},
-    {file = "httpcore-1.0.7.tar.gz", hash = "sha256:8551cb62a169ec7162ac7be8d4817d561f60e08eaa485234898414bb5a8a0b4c"},
+    {file = "httpcore-1.0.8-py3-none-any.whl", hash = "sha256:5254cf149bcb5f75e9d1b2b9f729ea4a4b883d1ad7379fc632b727cec23674be"},
+    {file = "httpcore-1.0.8.tar.gz", hash = "sha256:86e94505ed24ea06514883fd44d2bc02d90e77e7979c8eb71b90f41d364a1bad"},
 ]
 
 [package.dependencies]
@@ -525,13 +525,13 @@ files = [
 
 [[package]]
 name = "typing-extensions"
-version = "4.13.1"
+version = "4.13.2"
 description = "Backported and Experimental Type Hints for Python 3.8+"
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "typing_extensions-4.13.1-py3-none-any.whl", hash = "sha256:4b6cf02909eb5495cfbc3f6e8fd49217e6cc7944e145cdda8caa3734777f9e69"},
-    {file = "typing_extensions-4.13.1.tar.gz", hash = "sha256:98795af00fb9640edec5b8e31fc647597b4691f099ad75f469a2616be1a76dff"},
+    {file = "typing_extensions-4.13.2-py3-none-any.whl", hash = "sha256:a439e7c04b49fec3e5d3e2beaa21755cadbbdc391694e28ccdd36ca4a1408f8c"},
+    {file = "typing_extensions-4.13.2.tar.gz", hash = "sha256:e6c81219bd689f51865d9e372991c540bda33a0379d5573cddb9a3a23f7caaef"},
 ]
 
 [metadata]
diff --git a/pyproject.toml b/pyproject.toml
index da689cf..dfe0372 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -3,7 +3,7 @@ name = "scrapybara"
 
 [tool.poetry]
 name = "scrapybara"
-version = "2.5.0"
+version = "2.5.1"
 description = ""
 readme = "README.md"
 authors = []
diff --git a/reference.md b/reference.md
index ffb2ff0..624134c 100644
--- a/reference.md
+++ b/reference.md
@@ -458,6 +458,14 @@ client.instance.bash(
 <dl>
 <dd>
 
+**session:** `typing.Optional[int]` 
+    
+</dd>
+</dl>
+
+<dl>
+<dd>
+
 **restart:** `typing.Optional[bool]` 
     
 </dd>
@@ -466,7 +474,7 @@ client.instance.bash(
 <dl>
 <dd>
 
-**get_background_processes:** `typing.Optional[bool]` 
+**list_sessions:** `typing.Optional[bool]` 
     
 </dd>
 </dl>
@@ -474,7 +482,7 @@ client.instance.bash(
 <dl>
 <dd>
 
-**kill_pid:** `typing.Optional[int]` 
+**check_session:** `typing.Optional[int]` 
     
 </dd>
 </dl>
diff --git a/src/scrapybara/client.py b/src/scrapybara/client.py
index 604f88e..71c1358 100644
--- a/src/scrapybara/client.py
+++ b/src/scrapybara/client.py
@@ -883,17 +883,19 @@ def bash(
         self,
         *,
         command: Optional[str] = OMIT,
+        session: Optional[int] = OMIT,
         restart: Optional[bool] = OMIT,
-        get_background_processes: Optional[bool] = OMIT,
-        kill_pid: Optional[int] = OMIT,
+        list_sessions: Optional[bool] = OMIT,
+        check_session: Optional[int] = OMIT,
         request_options: Optional[RequestOptions] = None,
     ) -> Optional[Any]:
         return self._client.instance.bash(
             self.id, 
             command=command, 
+            session=session, 
             restart=restart, 
-            get_background_processes=get_background_processes, 
-            kill_pid=kill_pid, 
+            list_sessions=list_sessions, 
+            check_session=check_session, 
             request_options=request_options
         )
 
@@ -1405,17 +1407,19 @@ async def bash(
         self,
         *,
         command: Optional[str] = OMIT,
+        session: Optional[int] = OMIT,
         restart: Optional[bool] = OMIT,
-        get_background_processes: Optional[bool] = OMIT,
-        kill_pid: Optional[int] = OMIT,
+        list_sessions: Optional[bool] = OMIT,
+        check_session: Optional[int] = OMIT,
         request_options: Optional[RequestOptions] = None,
     ) -> Optional[Any]:
         return await self._client.instance.bash(
             self.id, 
             command=command, 
+            session=session, 
             restart=restart, 
-            get_background_processes=get_background_processes, 
-            kill_pid=kill_pid, 
+            list_sessions=list_sessions, 
+            check_session=check_session, 
             request_options=request_options
         )
 
diff --git a/src/scrapybara/core/client_wrapper.py b/src/scrapybara/core/client_wrapper.py
index 2ea88cd..7f289d0 100644
--- a/src/scrapybara/core/client_wrapper.py
+++ b/src/scrapybara/core/client_wrapper.py
@@ -16,7 +16,7 @@ def get_headers(self) -> typing.Dict[str, str]:
         headers: typing.Dict[str, str] = {
             "X-Fern-Language": "Python",
             "X-Fern-SDK-Name": "scrapybara",
-            "X-Fern-SDK-Version": "2.5.0",
+            "X-Fern-SDK-Version": "2.5.1",
         }
         headers["x-api-key"] = self.api_key
         return headers
diff --git a/src/scrapybara/instance/client.py b/src/scrapybara/instance/client.py
index 5af25d7..8a964c1 100644
--- a/src/scrapybara/instance/client.py
+++ b/src/scrapybara/instance/client.py
@@ -213,9 +213,10 @@ def bash(
         instance_id: str,
         *,
         command: typing.Optional[str] = OMIT,
+        session: typing.Optional[int] = OMIT,
         restart: typing.Optional[bool] = OMIT,
-        get_background_processes: typing.Optional[bool] = OMIT,
-        kill_pid: typing.Optional[int] = OMIT,
+        list_sessions: typing.Optional[bool] = OMIT,
+        check_session: typing.Optional[int] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
     ) -> BashResponse:
         """
@@ -225,11 +226,13 @@ def bash(
 
         command : typing.Optional[str]
 
+        session : typing.Optional[int]
+
         restart : typing.Optional[bool]
 
-        get_background_processes : typing.Optional[bool]
+        list_sessions : typing.Optional[bool]
 
-        kill_pid : typing.Optional[int]
+        check_session : typing.Optional[int]
 
         request_options : typing.Optional[RequestOptions]
             Request-specific configuration.
@@ -255,9 +258,10 @@ def bash(
             method="POST",
             json={
                 "command": command,
+                "session": session,
                 "restart": restart,
-                "get_background_processes": get_background_processes,
-                "kill_pid": kill_pid,
+                "list_sessions": list_sessions,
+                "check_session": check_session,
             },
             headers={
                 "content-type": "application/json",
@@ -980,9 +984,10 @@ async def bash(
         instance_id: str,
         *,
         command: typing.Optional[str] = OMIT,
+        session: typing.Optional[int] = OMIT,
         restart: typing.Optional[bool] = OMIT,
-        get_background_processes: typing.Optional[bool] = OMIT,
-        kill_pid: typing.Optional[int] = OMIT,
+        list_sessions: typing.Optional[bool] = OMIT,
+        check_session: typing.Optional[int] = OMIT,
         request_options: typing.Optional[RequestOptions] = None,
     ) -> BashResponse:
         """
@@ -992,11 +997,13 @@ async def bash(
 
         command : typing.Optional[str]
 
+        session : typing.Optional[int]
+
         restart : typing.Optional[bool]
 
-        get_background_processes : typing.Optional[bool]
+        list_sessions : typing.Optional[bool]
 
-        kill_pid : typing.Optional[int]
+        check_session : typing.Optional[int]
 
         request_options : typing.Optional[RequestOptions]
             Request-specific configuration.
@@ -1030,9 +1037,10 @@ async def main() -> None:
             method="POST",
             json={
                 "command": command,
+                "session": session,
                 "restart": restart,
-                "get_background_processes": get_background_processes,
-                "kill_pid": kill_pid,
+                "list_sessions": list_sessions,
+                "check_session": check_session,
             },
             headers={
                 "content-type": "application/json",
diff --git a/src/scrapybara/tools/__init__.py b/src/scrapybara/tools/__init__.py
index 8e17b0f..63eb214 100644
--- a/src/scrapybara/tools/__init__.py
+++ b/src/scrapybara/tools/__init__.py
@@ -165,9 +165,10 @@ class BashToolParameters(BaseModel):
     """Parameters for bash command execution."""
 
     command: Optional[str] = Field(description="The bash command to execute")
+    session: Optional[int] = Field(None, description="Session ID to run the command in")
     restart: Optional[bool] = Field(False, description="Whether to restart the shell")
-    get_background_processes: Optional[bool] = Field(None, description="Retrieve information (pid, status, command) about background processes")
-    kill_pid: Optional[int] = Field(None, description="Process ID to kill")
+    list_sessions: Optional[bool] = Field(None, description="Whether to list all bash sessions")
+    check_session: Optional[int] = Field(None, description="Session ID to check status")
 
 
 class BashTool(Tool):
@@ -189,8 +190,9 @@ def __call__(self, **kwargs: Any) -> Any:
         params = BashToolParameters.model_validate(kwargs)
         return self._instance.bash(
             command=params.command, 
+            session=params.session,
             restart=params.restart,
-            get_background_processes=params.get_background_processes,
-            kill_pid=params.kill_pid
+            list_sessions=params.list_sessions,
+            check_session=params.check_session
         )
 
diff --git a/tests/custom/test_client.py b/tests/custom/test_client.py
index fd5e253..06c9a22 100644
--- a/tests/custom/test_client.py
+++ b/tests/custom/test_client.py
@@ -20,9 +20,9 @@
 from scrapybara.tools import BashTool, ComputerTool, EditTool
 
 
-class YCStats(BaseModel):
-    number_of_startups: int
-    combined_valuation: int
+class ExampleSite(BaseModel):
+    title: str
+    has_links: bool
 
 
 def _check_api_key() -> None:
@@ -47,19 +47,19 @@ def test_ubuntu() -> None:
     response = client.act(
         model=Anthropic(),
         system=UBUNTU_SYSTEM_PROMPT_ANTHROPIC,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(ubuntu_instance),
             BashTool(ubuntu_instance),
             EditTool(ubuntu_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     ubuntu_instance.browser.stop()
     ubuntu_instance.stop()
 
@@ -80,19 +80,19 @@ def test_ubuntu_openai() -> None:
     response = client.act(
         model=OpenAI(),
         system=UBUNTU_SYSTEM_PROMPT_OPENAI,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(ubuntu_instance),
             BashTool(ubuntu_instance),
             EditTool(ubuntu_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     ubuntu_instance.browser.stop()
     ubuntu_instance.stop()
 
@@ -111,17 +111,17 @@ def test_browser() -> None:
     response = client.act(
         model=Anthropic(),
         system=BROWSER_SYSTEM_PROMPT_ANTHROPIC,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(browser_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     browser_instance.stop()
 
 def test_browser_openai() -> None:
@@ -138,17 +138,17 @@ def test_browser_openai() -> None:
     response = client.act(
         model=OpenAI(),
         system=BROWSER_SYSTEM_PROMPT_OPENAI,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(browser_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     browser_instance.stop()
 
 
@@ -165,17 +165,17 @@ def test_windows() -> None:
     response = client.act(
         model=Anthropic(),
         system=WINDOWS_SYSTEM_PROMPT_ANTHROPIC,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(windows_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     windows_instance.stop()
 
 
@@ -197,19 +197,19 @@ def test_ubuntu_thinking() -> None:
     response = client.act(
         model=Anthropic(name="claude-3-7-sonnet-20250219-thinking"),
         system=UBUNTU_SYSTEM_PROMPT_ANTHROPIC,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(ubuntu_instance),
             BashTool(ubuntu_instance),
             EditTool(ubuntu_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls, step.reasoning_parts),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     ubuntu_instance.browser.stop()
     ubuntu_instance.stop()
 
@@ -229,17 +229,17 @@ def test_browser_thinking() -> None:
     response = client.act(
         model=Anthropic(name="claude-3-7-sonnet-20250219-thinking"),
         system=BROWSER_SYSTEM_PROMPT_ANTHROPIC,
-        prompt="Go to the YC website and get the number of funded startups and combined valuation",
+        prompt="Go to example.com and get the page title and whether it has any links",
         tools=[
             ComputerTool(browser_instance),
         ],
-        schema=YCStats,
+        schema=ExampleSite,
         on_step=lambda step: print(step.text, step.tool_calls, step.reasoning_parts),
     )
     print(response.output)
     assert response.output is not None
-    assert response.output.number_of_startups is not None
-    assert response.output.combined_valuation is not None
+    assert response.output.title is not None
+    assert isinstance(response.output.has_links, bool)
     browser_instance.stop()