diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 69968446..3828a8f3 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -20,13 +20,13 @@ on:
       - synchronize
       - ready_for_review
     paths:
-      # Keep the list in sync with the paths defined in the `tests_skipper.yml` workflow
       - "haystack_experimental/**/*.py"
       - "test/**/*.py"
       - "pyproject.toml"
+      - ".github/workflows/tests.yml"
 
 env:
-  PYTHON_VERSION: "3.8"
+  PYTHON_VERSION: "3.9"
   HATCH_VERSION: "1.13.0"
   PYTHONUNBUFFERED: "1"
   FORCE_COLOR: "1"
diff --git a/haystack_experimental/components/tools/openapi/_openapi.py b/haystack_experimental/components/tools/openapi/_openapi.py
index 5182b654..5528af5e 100644
--- a/haystack_experimental/components/tools/openapi/_openapi.py
+++ b/haystack_experimental/components/tools/openapi/_openapi.py
@@ -131,7 +131,7 @@ def __init__(
         request_sender: Optional[Callable[[Dict[str, Any]], Dict[str, Any]]] = None,
         llm_provider: LLMProvider = LLMProvider.OPENAI,
         operations_filter: Optional[Callable[[Dict[str, Any]], bool]] = None,
-    ):  # noqa: PLR0913
+    ):  # noqa: PLR0913  # pylint: disable=too-many-positional-arguments
         """
         Initialize a ClientConfiguration instance.
 
diff --git a/haystack_experimental/components/tools/openapi/openapi_tool.py b/haystack_experimental/components/tools/openapi/openapi_tool.py
index dac329a9..7bcb80d5 100644
--- a/haystack_experimental/components/tools/openapi/openapi_tool.py
+++ b/haystack_experimental/components/tools/openapi/openapi_tool.py
@@ -64,7 +64,7 @@ def __init__(
         spec: Optional[Union[str, Path]] = None,
         credentials: Optional[Secret] = None,
         allowed_operations: Optional[List[str]] = None,
-    ):
+    ):  # pylint: disable=too-many-positional-arguments
         """
         Initialize the OpenAPITool component.