diff --git a/pydase_service_base/ionizer_interface/ionizer_server.py b/pydase_service_base/ionizer_interface/ionizer_server.py
index a46a8dd..394c402 100644
--- a/pydase_service_base/ionizer_interface/ionizer_server.py
+++ b/pydase_service_base/ionizer_interface/ionizer_server.py
@@ -5,18 +5,11 @@ from typing import Any
 import pydase
 import pydase.components
 import pydase.units as u
+import pydase.version
 import tiqi_rpc
 from pydase.data_service.data_service_observer import DataServiceObserver
-import pydase.version
-
-if pydase.version.__major__ == 0 and pydase.version.__minor__ > 7:
-    from pydase.utils.helpers import get_object_attr_from_path
-else:
-    from pydase.utils.helpers import get_object_attr_from_path_list
-
-    def get_object_attr_from_path(target_obj: Any, path: str) -> Any:
-        return get_object_attr_from_path_list(target_obj, path.split("."))
-
+from pydase.utils.helpers import get_object_attr_from_path  # type: ignore
+from pydase.utils.serialization.types import SerializedObject
 
 from pydase_service_base.ionizer_interface.rpc_interface import RPCInterface
 
@@ -43,19 +36,19 @@ class IonizerServer:
         self.server.install_signal_handlers = lambda: None  # type: ignore
 
     def notify_ionizer(
-        self, full_access_path: str, value: Any, cached_value: dict[str, Any]
+        self, full_access_path: str, value: Any, cached_value: SerializedObject
     ) -> None:
         """This function notifies Ionizer about changed values.
 
         Args:
-        - parent_path (str): The parent path of the parameter.
-        - attr_name (str): The name of the changed parameter.
-        - value (Any): The value of the parameter.
+        full_access_path (str):
+            The full access path of the parameter.
+        value (Any):
+            The new value of the parameter.
+        cached_value (SerializedObject):
+            The serialized representation of the cached parameter.
         """
-        parent_path_list, attr_name = (
-            full_access_path.split(".")[:-1],
-            full_access_path.split(".")[-1],
-        )  # without classname
+        attr_name = full_access_path.split(".")[-1]
         if isinstance(value, Enum):
             value = value.value
         if isinstance(value, u.Quantity):
diff --git a/pydase_service_base/ionizer_interface/rpc_interface.py b/pydase_service_base/ionizer_interface/rpc_interface.py
index 1fec7f4..1ebe9a4 100644
--- a/pydase_service_base/ionizer_interface/rpc_interface.py
+++ b/pydase_service_base/ionizer_interface/rpc_interface.py
@@ -6,17 +6,9 @@ from pydase import DataService
 from pydase.components import NumberSlider
 from pydase.data_service.data_service_observer import DataServiceObserver
 from pydase.units import Quantity
-import pydase.version
-
-if pydase.version.__major__ == 0 and pydase.version.__minor__ > 7:
-    from pydase.utils.helpers import get_object_attr_from_path
-else:
-    from pydase.utils.helpers import get_object_attr_from_path_list
-
-    def get_object_attr_from_path(target_obj: Any, path: str) -> Any:
-        return get_object_attr_from_path_list(target_obj, path.split("."))
-
-
+from pydase.utils.helpers import get_object_attr_from_path
+from pydase.utils.serialization.serializer import dump
+from pydase.utils.serialization.types import SerializedObject
 from pydase.version import __version__
 
 
@@ -36,8 +28,8 @@ class RPCInterface:
     async def name(self) -> str:
         return self._service.__class__.__name__
 
-    async def get_props(self) -> dict[str, Any]:
-        return self._service.serialize()["value"]
+    async def get_props(self) -> SerializedObject:
+        return self._service.serialize()["value"]  # type: ignore
 
     async def get_param(self, full_access_path: str) -> Any:
         """Returns the value of the parameter given by the full_access_path.
@@ -84,7 +76,9 @@ class RPCInterface:
             elif isinstance(current_value, NumberSlider):
                 full_access_path = full_access_path + "value"
 
-        self._state_manager.set_service_attribute_value_by_path(full_access_path, value)
+        self._state_manager.set_service_attribute_value_by_path(
+            full_access_path, dump(value)
+        )
 
     async def remote_call(self, full_access_path: str, *args: Any) -> Any:
         method_object = get_object_attr_from_path(self._service, full_access_path)
diff --git a/pyproject.toml b/pyproject.toml
index 34565c4..92359f1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -14,7 +14,7 @@ build-backend = "poetry.core.masonry.api"
 [tool.poetry.dependencies]
 python = "^3.10"
 confz = "^2.0.0"
-pydase = ">=0.6.0"
+pydase = ">=0.8.0"
 
 # optional dependencies
 tiqi-rpc = { git = "ssh://git@gitlab.phys.ethz.ch/tiqi-projects/tiqi-rpc-python.git", optional = true }