diff --git a/kpops/cli/registry.py b/kpops/cli/registry.py
index 30a9c1205..8b6c99522 100644
--- a/kpops/cli/registry.py
+++ b/kpops/cli/registry.py
@@ -3,6 +3,7 @@
 import importlib
 import inspect
 import os
+from pathlib import Path
 import sys
 from collections.abc import Iterator
 from dataclasses import dataclass, field
@@ -17,7 +18,7 @@
 T = TypeVar("T")
 ClassDict = dict[str, type[T]]  # type -> class
 
-sys.path.append(os.getcwd())
+sys.path.append(str(Path.cwd()))
 
 
 @dataclass
diff --git a/kpops/utils/yaml_loading.py b/kpops/utils/yaml_loading.py
index d8aee8b95..36848d4d2 100644
--- a/kpops/utils/yaml_loading.py
+++ b/kpops/utils/yaml_loading.py
@@ -20,7 +20,7 @@ def generate_hashkey(
 def load_yaml_file(
     file_path: Path, *, substitution: Mapping[str, Any] | None = None,
 ) -> dict | list[dict]:
-    with open(file_path) as yaml_file:
+    with file_path.open() as yaml_file:
         return yaml.load(substitute(yaml_file.read(), substitution), Loader=yaml.Loader)
 
 
diff --git a/tests/component_handlers/kafka_connect/test_connect_wrapper.py b/tests/component_handlers/kafka_connect/test_connect_wrapper.py
index 714b263d5..afac5538d 100644
--- a/tests/component_handlers/kafka_connect/test_connect_wrapper.py
+++ b/tests/component_handlers/kafka_connect/test_connect_wrapper.py
@@ -495,9 +495,9 @@ def test_should_create_correct_validate_connector_config_and_name_gets_added(
         )
 
     def test_should_parse_validate_connector_config(self, httpx_mock: HTTPXMock):
-        with open(
+        with Path(
             DEFAULTS_PATH / "connect_validation_response.json",
-        ) as f:
+        ).open() as f:
             actual_response = json.load(f)
         httpx_mock.add_response(
             method="PUT",
diff --git a/tests/component_handlers/topic/test_proxy_wrapper.py b/tests/component_handlers/topic/test_proxy_wrapper.py
index f7142f496..73e8aab4d 100644
--- a/tests/component_handlers/topic/test_proxy_wrapper.py
+++ b/tests/component_handlers/topic/test_proxy_wrapper.py
@@ -36,9 +36,9 @@ def _setup(self, httpx_mock: HTTPXMock):
         )
         self.proxy_wrapper = ProxyWrapper(pipeline_config=config)
 
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses" / "cluster-info.json",
-        ) as f:
+        ).open() as f:
             cluster_response = json.load(f)
 
         httpx_mock.add_response(
diff --git a/tests/component_handlers/topic/test_topic_handler.py b/tests/component_handlers/topic/test_topic_handler.py
index 9678cd86f..6ca8410e2 100644
--- a/tests/component_handlers/topic/test_topic_handler.py
+++ b/tests/component_handlers/topic/test_topic_handler.py
@@ -51,19 +51,19 @@ def log_error_mock(self, mocker: MockerFixture) -> MagicMock:
 
     @pytest.fixture(autouse=True)
     def get_topic_response_mock(self) -> MagicMock:
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses/get_topic_response.json",
-        ) as f:
+        ).open() as f:
             response = json.load(f)
 
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses/broker_response.json",
-        ) as f:
+        ).open() as f:
             broker_response = json.load(f)
 
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses/topic_config_response.json",
-        ) as f:
+        ).open() as f:
             response_topic_config = json.load(f)
 
         wrapper = MagicMock()
@@ -76,14 +76,14 @@ def get_topic_response_mock(self) -> MagicMock:
 
     @pytest.fixture(autouse=True)
     def get_default_topic_response_mock(self) -> MagicMock:
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses/get_default_topic_response.json",
-        ) as f:
+        ).open() as f:
             response = json.load(f)
 
-        with open(
+        with Path(
             DEFAULTS_PATH / "kafka_rest_proxy_responses/broker_response.json",
-        ) as f:
+        ).open() as f:
             broker_response = json.load(f)
 
         wrapper = MagicMock()