diff --git a/pyproject.toml b/pyproject.toml
index a08e198..8e0ccd4 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "belleii_rucio_policy_package"
-version = "0.0.3"
+version = "0.0.4"
 authors = [
     { name="Belle II", email="placeholder@placeholder.com" },
 ]
diff --git a/src/belleii_rucio_policy_package/lfn2pfn.py b/src/belleii_rucio_policy_package/lfn2pfn.py
index 6c51f13..2c6e770 100644
--- a/src/belleii_rucio_policy_package/lfn2pfn.py
+++ b/src/belleii_rucio_policy_package/lfn2pfn.py
@@ -1,6 +1,6 @@
-from rucio.rse.translation import RSEDeterministicTranslation
+import rucio.rse.translation
 
-class BelleIIRSEDeterministicTranslation(RSEDeterministicTranslation):
+class BelleIIRSEDeterministicTranslation(rucio.rse.translation.RSEDeterministicTranslation):
 
     def __init__(self, rse=None, rse_attributes=None, protocol_attributes=None):
         """
diff --git a/src/belleii_rucio_policy_package/non_deterministic_pfn.py b/src/belleii_rucio_policy_package/non_deterministic_pfn.py
index 395e29a..b8f3c52 100644
--- a/src/belleii_rucio_policy_package/non_deterministic_pfn.py
+++ b/src/belleii_rucio_policy_package/non_deterministic_pfn.py
@@ -1,9 +1,9 @@
 from typing import Optional
 
-from rucio.common.utils import NonDeterministicPFNAlgorithms
+import rucio.common.utils
 
 
-class BelleIINonDeterministicPFNAlgorithm(NonDeterministicPFNAlgorithms):
+class BelleIINonDeterministicPFNAlgorithm(rucio.common.utils.NonDeterministicPFNAlgorithms):
     """
     Belle II specific non-deterministic PFN algorithm
     """
diff --git a/src/belleii_rucio_policy_package/schema.py b/src/belleii_rucio_policy_package/schema.py
index 83a216f..33656d0 100644
--- a/src/belleii_rucio_policy_package/schema.py
+++ b/src/belleii_rucio_policy_package/schema.py
@@ -14,7 +14,7 @@
 
 from jsonschema import ValidationError, validate
 
-from rucio.common.exception import InvalidObject
+import rucio.common.exception
 
 ACCOUNT_LENGTH = 25
 
@@ -405,4 +405,4 @@ def validate_schema(name, obj):
         if obj:
             validate(obj, SCHEMAS.get(name, {}))
     except ValidationError as error:  # NOQA, pylint: disable=W0612
-        raise InvalidObject(f'Problem validating {name}: {error}')
+        raise rucio.common.exception.InvalidObject(f'Problem validating {name}: {error}')
diff --git a/src/belleii_rucio_policy_package/scope.py b/src/belleii_rucio_policy_package/scope.py
index 5491c3d..8011655 100644
--- a/src/belleii_rucio_policy_package/scope.py
+++ b/src/belleii_rucio_policy_package/scope.py
@@ -1,10 +1,11 @@
 from typing import TYPE_CHECKING, Optional
-from rucio.common.utils import ScopeExtractionAlgorithms
+
+import rucio.common.utils
 
 if TYPE_CHECKING:
     from collections.abc import Sequence
 
-class BelleIIScopeExtractionAlgorithm(ScopeExtractionAlgorithms):
+class BelleIIScopeExtractionAlgorithm(rucio.common.utils.ScopeExtractionAlgorithms):
     def __init__(self) -> None:
         """
         Initialises scope extraction algorithm object