diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index ee8e3f2a..26f77074 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -3,7 +3,7 @@ default_language_version:
   python: python3.11
 repos:
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.7.3
+    rev: v0.8.3
     hooks:
       - id: ruff
         args: [--fix, --exit-non-zero-on-fix]
@@ -25,7 +25,7 @@ repos:
       - id: fix-byte-order-marker
         name: byte-order
   - repo: https://github.com/pdm-project/pdm
-    rev: 2.20.1
+    rev: 2.22.0
     hooks:
       - id: pdm-lock-check
         name: pdm
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 090593df..3e8070a2 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,10 +10,11 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 ### Changes
-- extractors now use wikidata helper function
 
+- extractors now use wikidata helper function
 - BREAKING: rename artificial provider function `extracted_data` to `extracted_items`
 - prefer concrete unions over base classes for merged and extracted item typing
+- update mex-common to 0.45.0 and mex-model to 3.4.0
 
 ### Deprecated
 
@@ -21,6 +22,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- fix coverage and linting issues
+
 ### Security
 
 ## [0.22.0] - 2024-12-10
diff --git a/mex/extractors/artificial/main.py b/mex/extractors/artificial/main.py
index 7307f867..7703b782 100644
--- a/mex/extractors/artificial/main.py
+++ b/mex/extractors/artificial/main.py
@@ -56,6 +56,6 @@ def artificial_data(factories: Faker, identities: IdentityMap) -> None:
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the artificial data job in-process."""
     run_job_in_process("artificial")
diff --git a/mex/extractors/biospecimen/main.py b/mex/extractors/biospecimen/main.py
index dfa159d9..d1f21c62 100644
--- a/mex/extractors/biospecimen/main.py
+++ b/mex/extractors/biospecimen/main.py
@@ -95,6 +95,6 @@ def extracted_biospecimen_resources(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the biospecimen extractor job in-process."""
     run_job_in_process("biospecimen")
diff --git a/mex/extractors/blueant/main.py b/mex/extractors/blueant/main.py
index e525bbd3..7173a2e5 100644
--- a/mex/extractors/blueant/main.py
+++ b/mex/extractors/blueant/main.py
@@ -111,6 +111,6 @@ def extracted_blueant_activities(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the blueant extractor job in-process."""
     run_job_in_process("blueant")
diff --git a/mex/extractors/confluence_vvt/main.py b/mex/extractors/confluence_vvt/main.py
index 0d4f5010..75574ce7 100644
--- a/mex/extractors/confluence_vvt/main.py
+++ b/mex/extractors/confluence_vvt/main.py
@@ -101,6 +101,6 @@ def extracted_confluence_vvt_activities(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the confluence-vvt extractor job in-process."""
     run_job_in_process("confluence_vvt")
diff --git a/mex/extractors/confluence_vvt/parse_html.py b/mex/extractors/confluence_vvt/parse_html.py
index 52b0aa0e..0f57c6ce 100644
--- a/mex/extractors/confluence_vvt/parse_html.py
+++ b/mex/extractors/confluence_vvt/parse_html.py
@@ -1,3 +1,4 @@
+import contextlib
 import re
 from itertools import zip_longest
 from typing import Any, cast
@@ -216,10 +217,8 @@ def get_interne_vorgangsnummer_from_title(
     )
 
     for item in unwanted_elements:
-        try:
+        with contextlib.suppress(ValueError):
             interne_vorgangsnummers.remove(item)
-        except ValueError:
-            pass
 
     return [x for x in interne_vorgangsnummers if x]  # clean empty strings
 
diff --git a/mex/extractors/datscha_web/extract.py b/mex/extractors/datscha_web/extract.py
index b7806228..63456419 100644
--- a/mex/extractors/datscha_web/extract.py
+++ b/mex/extractors/datscha_web/extract.py
@@ -69,9 +69,14 @@ def extract_datscha_web_organizations(
     partner_to_org_map = {}
     for item in datscha_web_items:
         for partner in item.get_partners():
-            if partner and partner != "None":
-                if organization := get_wikidata_extracted_organization_id_by_name(
-                    partner
-                ):
-                    partner_to_org_map[partner] = organization
+            if (
+                partner
+                and partner != "None"
+                and (
+                    organization := get_wikidata_extracted_organization_id_by_name(
+                        partner
+                    )
+                )
+            ):
+                partner_to_org_map[partner] = organization
     return partner_to_org_map
diff --git a/mex/extractors/datscha_web/main.py b/mex/extractors/datscha_web/main.py
index a8ba2dae..43068bbd 100644
--- a/mex/extractors/datscha_web/main.py
+++ b/mex/extractors/datscha_web/main.py
@@ -109,6 +109,6 @@ def extract_datscha_web(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the datscha-web extractor job in-process."""
     run_job_in_process("datscha_web")
diff --git a/mex/extractors/ff_projects/main.py b/mex/extractors/ff_projects/main.py
index 863a9f9a..88440002 100644
--- a/mex/extractors/ff_projects/main.py
+++ b/mex/extractors/ff_projects/main.py
@@ -121,6 +121,6 @@ def extract_ff_projects(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the ff-projects extractor job in-process."""
     run_job_in_process("ff_projects")
diff --git a/mex/extractors/grippeweb/extract.py b/mex/extractors/grippeweb/extract.py
index f1ba6dc0..ff4d3119 100644
--- a/mex/extractors/grippeweb/extract.py
+++ b/mex/extractors/grippeweb/extract.py
@@ -20,7 +20,7 @@ def extract_columns_by_table_and_column_name() -> dict[str, dict[str, list[Any]]
     connection = GrippewebConnector.get()
     return {
         table_name: connection.parse_columns_by_column_name(table_name)
-        for table_name in QUERY_BY_TABLE_NAME.keys()
+        for table_name in QUERY_BY_TABLE_NAME
     }
 
 
diff --git a/mex/extractors/grippeweb/main.py b/mex/extractors/grippeweb/main.py
index fe7ab2ad..7d08f2d8 100644
--- a/mex/extractors/grippeweb/main.py
+++ b/mex/extractors/grippeweb/main.py
@@ -242,6 +242,6 @@ def grippeweb_extracted_variable(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the Grippeweb extractor job in-process."""
     run_job_in_process("grippeweb")
diff --git a/mex/extractors/grippeweb/transform.py b/mex/extractors/grippeweb/transform.py
index b18c5343..b61d00c1 100644
--- a/mex/extractors/grippeweb/transform.py
+++ b/mex/extractors/grippeweb/transform.py
@@ -227,7 +227,7 @@ def get_or_create_external_partner(
     """
     if external_partner_dict := resource.externalPartner:
         external_partner_string = external_partner_dict[0].mappingRules[0].forValues[0]
-        if external_partner_string in resource.model_fields.keys():
+        if external_partner_string in resource.model_fields:
             external_partner_identifier = [
                 grippeweb_organization_ids_by_query_string[external_partner_string]
             ]
@@ -375,7 +375,7 @@ def transform_grippeweb_variable_to_extracted_variables(
                 column_strings = {cell for cell in column if isinstance(cell, str)}
                 value_set = (
                     column_strings
-                    if column_name in valueset_locations_by_field.keys()
+                    if column_name in valueset_locations_by_field
                     else set()
                 )
             extracted_variables.append(
diff --git a/mex/extractors/ifsg/main.py b/mex/extractors/ifsg/main.py
index 8c259f2c..50a19883 100644
--- a/mex/extractors/ifsg/main.py
+++ b/mex/extractors/ifsg/main.py
@@ -279,6 +279,6 @@ def extracted_ifsg_variable(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the IFSG extractor job in-process."""
     run_job_in_process("ifsg")
diff --git a/mex/extractors/international_projects/main.py b/mex/extractors/international_projects/main.py
index 5cfbfcb2..5e815689 100644
--- a/mex/extractors/international_projects/main.py
+++ b/mex/extractors/international_projects/main.py
@@ -127,6 +127,6 @@ def extracted_international_projects_activities(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the international-projects extractor job in-process."""
     run_job_in_process("international_projects")
diff --git a/mex/extractors/main.py b/mex/extractors/main.py
index 1ce755e7..4b185aa7 100644
--- a/mex/extractors/main.py
+++ b/mex/extractors/main.py
@@ -4,6 +4,6 @@
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run all extractor jobs in-process."""
     run_job_in_process("all_extractors")
diff --git a/mex/extractors/odk/main.py b/mex/extractors/odk/main.py
index 20d25582..68e5d505 100644
--- a/mex/extractors/odk/main.py
+++ b/mex/extractors/odk/main.py
@@ -139,6 +139,6 @@ def extracted_variables_odk(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the odk extractor job in-process."""
     run_job_in_process("odk")
diff --git a/mex/extractors/organigram/main.py b/mex/extractors/organigram/main.py
index 31d792b0..3f158040 100644
--- a/mex/extractors/organigram/main.py
+++ b/mex/extractors/organigram/main.py
@@ -45,6 +45,6 @@ def extract_organigram() -> None:
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the organigram extractor job in-process."""
     run_job_in_process("organigram")
diff --git a/mex/extractors/pipeline/__init__.py b/mex/extractors/pipeline/__init__.py
index dbf2fe21..878104db 100644
--- a/mex/extractors/pipeline/__init__.py
+++ b/mex/extractors/pipeline/__init__.py
@@ -77,4 +77,4 @@ def asset(**_: Any) -> Callable[[_AssetFn], _AssetFn]:
 
 from mex.extractors.pipeline.base import load_job_definitions, run_job_in_process
 
-__all__ = ("asset", "run_job_in_process", "load_job_definitions")
+__all__ = ("asset", "load_job_definitions", "run_job_in_process")
diff --git a/mex/extractors/publisher/main.py b/mex/extractors/publisher/main.py
index d2993eed..409d3896 100644
--- a/mex/extractors/publisher/main.py
+++ b/mex/extractors/publisher/main.py
@@ -22,6 +22,6 @@ def publish_merged_items(extract_and_filter_merged_items: MergedItemsResponse) -
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the publisher job in-process."""
     run_job_in_process("publisher")
diff --git a/mex/extractors/rdmo/main.py b/mex/extractors/rdmo/main.py
index 8c776340..9a18b2c0 100644
--- a/mex/extractors/rdmo/main.py
+++ b/mex/extractors/rdmo/main.py
@@ -74,6 +74,6 @@ def rdmo_activities(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the RDMO extractor job in-process."""
     run_job_in_process("rdmo")
diff --git a/mex/extractors/rdmo/transform.py b/mex/extractors/rdmo/transform.py
index 207da92d..e2519a3e 100644
--- a/mex/extractors/rdmo/transform.py
+++ b/mex/extractors/rdmo/transform.py
@@ -100,6 +100,6 @@ def transform_rdmo_sources_to_extracted_activities(
             start=start,
             title=title,
             theme="https://mex.rki.de/item/theme-1",
-            # TODO: resolve contributor, units and funding organization
+            # TODO(ND): resolve contributor, units and funding organization
             website=None,
         )
diff --git a/mex/extractors/seq_repo/main.py b/mex/extractors/seq_repo/main.py
index c8c104ea..fb134b4b 100644
--- a/mex/extractors/seq_repo/main.py
+++ b/mex/extractors/seq_repo/main.py
@@ -183,6 +183,6 @@ def seq_repo_resource(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the seq-repo extractor job in-process."""
     run_job_in_process("seq_repo")
diff --git a/mex/extractors/sumo/main.py b/mex/extractors/sumo/main.py
index fe5f5773..0652fa82 100644
--- a/mex/extractors/sumo/main.py
+++ b/mex/extractors/sumo/main.py
@@ -369,6 +369,6 @@ def transformed_sumo_feat_projection_variables(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the sumo extractor job in-process."""
     run_job_in_process("sumo")
diff --git a/mex/extractors/sumo/transform.py b/mex/extractors/sumo/transform.py
index c93159cb..7a92a6b1 100644
--- a/mex/extractors/sumo/transform.py
+++ b/mex/extractors/sumo/transform.py
@@ -594,7 +594,7 @@ def transform_sumo_activity_to_extracted_activity(
         hadPrimarySource=extracted_primary_source.stableTargetId,
         identifierInPrimarySource=identifier_in_primary_source,
         involvedUnit=involved_unit,
-        publication=[],  # TODO: add bibliographic resource item
+        publication=[],  # TODO(KA): add bibliographic resource item
         responsibleUnit=responsible_unit,
         shortName=short_name,
         start=start,
diff --git a/mex/extractors/synopse/main.py b/mex/extractors/synopse/main.py
index 3ae6e6f6..8f7de7f8 100644
--- a/mex/extractors/synopse/main.py
+++ b/mex/extractors/synopse/main.py
@@ -361,6 +361,6 @@ def extracted_synopse_variables(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the synopse extractor job in-process."""
     run_job_in_process("synopse")
diff --git a/mex/extractors/synopse/transform.py b/mex/extractors/synopse/transform.py
index d53a592b..7015c0a3 100644
--- a/mex/extractors/synopse/transform.py
+++ b/mex/extractors/synopse/transform.py
@@ -669,7 +669,7 @@ def transform_synopse_project_to_activity(
                 url=PureWindowsPath(path_line).as_uri(), title="\n".join(title_lines)
             )
         except ValueError:
-            pass  # TODO: handle relative paths
+            pass  # TODO(HS): handle relative paths
     involved_units = [
         merged_id
         for unit in (synopse_project.interne_partner or "").split(",")
diff --git a/mex/extractors/voxco/main.py b/mex/extractors/voxco/main.py
index 21a40db8..55a1520a 100644
--- a/mex/extractors/voxco/main.py
+++ b/mex/extractors/voxco/main.py
@@ -136,6 +136,6 @@ def extracted_variables_voxco(
 
 
 @entrypoint(Settings)
-def run() -> None:
+def run() -> None:  # pragma: no cover
     """Run the voxco extractor job in-process."""
     run_job_in_process("voxco")
diff --git a/pdm.lock b/pdm.lock
index 46c7db0d..7c58c245 100644
--- a/pdm.lock
+++ b/pdm.lock
@@ -5,7 +5,7 @@
 groups = ["default", "dev"]
 strategy = ["inherit_metadata"]
 lock_version = "4.5.0"
-content_hash = "sha256:12b999863f76aae1e4e39cde739cc7b7f6648f4170c61fe32cdc0da44354f438"
+content_hash = "sha256:0765136f9110dff25280313486160aa36cf831398a49443f2dbc2bd08e653e81"
 
 [[metadata.targets]]
 requires_python = "==3.11.*"
@@ -991,11 +991,11 @@ files = [
 
 [[package]]
 name = "mex-common"
-version = "0.43.0"
+version = "0.45.0"
 requires_python = ">=3.11,<3.13"
 git = "https://github.com/robert-koch-institut/mex-common.git"
-ref = "0.43.0"
-revision = "ddded85a745d4c0f157c5043e5fb7584c2c006e7"
+ref = "0.45.0"
+revision = "f5ff330763011e1380d1321bf20bd7b346e1b484"
 summary = "Common library for MEx python projects."
 groups = ["default"]
 marker = "python_version == \"3.11\""
@@ -1004,7 +1004,7 @@ dependencies = [
     "click<9,>=8",
     "langdetect<2,>=1",
     "ldap3<3,>=2",
-    "mex-model @ git+https://github.com/robert-koch-institut/mex-model.git@3.3.2",
+    "mex-model @ git+https://github.com/robert-koch-institut/mex-model.git@3.4.0",
     "numpy<3,>=2",
     "pandas<3,>=2",
     "pyarrow<19,>=18",
@@ -1019,7 +1019,7 @@ name = "mex-model"
 version = "3.3.2"
 requires_python = ">=3.11,<3.13"
 git = "https://github.com/robert-koch-institut/mex-model.git"
-ref = "3.3.2"
+ref = "3.4.0"
 revision = "5e7c3dd6ee904e6727402cc1bf4663ea014cccbc"
 summary = "JSON schema files defining the MEx metadata model."
 groups = ["default"]
diff --git a/pyproject.toml b/pyproject.toml
index 4691eca5..8b73d96f 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -13,7 +13,7 @@ dependencies = [
     "dagster-webserver>=1,<2",
     "dagster>=1,<2",
     "faker>=33,<34",
-    "mex-common @ git+https://github.com/robert-koch-institut/mex-common.git@0.43.0",
+    "mex-common @ git+https://github.com/robert-koch-institut/mex-common.git@0.45.0",
     "numpy>=2,<3",
     "openpyxl>=3,<4",
     "pandas>=2,<3",
@@ -175,27 +175,25 @@ select = ["ALL"]
 ]
 "mex/extractors/biospecimen/**" = ["PD003", "PLR0913", "PTH207"]
 "mex/extractors/blueant/**" = ["PLR0913", "PLR2004"]
-"mex/extractors/confluence_vvt/**" = ["EM101", "PLR2004", "SIM105"]
-"mex/extractors/datscha_web/**" = ["EM102", "PLR2004", "SIM102"]
+"mex/extractors/confluence_vvt/**" = ["EM101", "PLR2004"]
+"mex/extractors/datscha_web/**" = ["EM102", "PLR2004"]
 "mex/extractors/ff_projects/**" = ["EM101", "PD901", "PLR0911", "PLR0913"]
-"mex/extractors/grippeweb/**" = ["PLR0913", "SIM118"]
+"mex/extractors/grippeweb/**" = ["PLR0913"]
 "mex/extractors/ifsg/**" = ["C403", "C416", "PLR0913", "PLR1714", "PLR2004"]
 "mex/extractors/international_projects/**" = ["C414", "PD901", "PLR0913"]
-"mex/extractors/rdmo/**" = ["EM102", "PLW0127", "TD002"]
+"mex/extractors/rdmo/**" = ["EM102", "PLW0127"]
 "mex/extractors/seq_repo/**" = ["DTZ007", "EM102", "PLR0913", "SIM102"]
-"mex/extractors/sumo/**" = ["FLY002", "PD002", "PLR0913", "TD002"]
-"mex/extractors/synopse/**" = ["C416", "EM101", "PLR0913", "TD002"]
+"mex/extractors/sumo/**" = ["FLY002", "PD002", "PLR0913"]
+"mex/extractors/synopse/**" = ["C416", "EM101", "PLR0913"]
 "mex/extractors/voxco/**" = ["PLR0912", "PLR0913"]
 "tests/biospecimen/**" = ["PLR0913"]
-"tests/drop/**" = ["ARG001"]
 "tests/ff_projects/**" = ["DTZ001"]
 "tests/grippeweb/**" = ["PLR0913"]
 "tests/ifsg/**" = ["DTZ001", "PLR0913"]
-"tests/odk/**" = ["ARG001"]
 "tests/rdmo/**" = ["ARG001", "PT012"]
 "tests/seq_repo/**" = ["PLR0913"]
 "tests/sumo/**" = ["FLY002", "PLR0913"]
-"tests/synopse/**" = ["C408", "C419", "PLR0913", "TD002"]
+"tests/synopse/**" = ["C408", "C419", "PLR0913"]
 "tests/voxco/**" = ["PLR0913"]
 "tests/wikidata/**" = ["INP001", "INP001"]
 
diff --git a/tests/drop/mocked_drop.py b/tests/drop/mocked_drop.py
index 052f6e01..447e492d 100644
--- a/tests/drop/mocked_drop.py
+++ b/tests/drop/mocked_drop.py
@@ -1,5 +1,6 @@
 import json
 from pathlib import Path
+from typing import Any
 from unittest.mock import MagicMock
 
 import pytest
@@ -31,7 +32,9 @@ def mocked_drop(monkeypatch: MonkeyPatch) -> None:
         ],
     )
 
-    def get_file_mocked(self, x_system: str, file_id: str):
+    def get_file_mocked(
+        _self: DropApiConnector, x_system: str, file_id: str
+    ) -> dict[str, Any]:
         with open(
             (
                 Path(__file__).parents[2]
diff --git a/tests/odk/test_main.py b/tests/odk/test_main.py
index 4c5d3170..0c92205a 100644
--- a/tests/odk/test_main.py
+++ b/tests/odk/test_main.py
@@ -1,12 +1,9 @@
 import pytest
 
-from mex.common.models import ExtractedPrimarySource
 from mex.extractors.pipeline import run_job_in_process
 
 
-@pytest.mark.usefixtures("mocked_ldap", "mocked_wikidata")
-def test_job(
-    extracted_primary_sources: dict[str, ExtractedPrimarySource],
-) -> None:
+@pytest.mark.usefixtures("mocked_ldap", "mocked_wikidata", "extracted_primary_sources")
+def test_job() -> None:
     result = run_job_in_process("odk")
     assert result.success