diff --git a/apricot/models/ldap_attribute_adaptor.py b/apricot/models/ldap_attribute_adaptor.py
index a559f9d..059a5d8 100644
--- a/apricot/models/ldap_attribute_adaptor.py
+++ b/apricot/models/ldap_attribute_adaptor.py
@@ -4,7 +4,7 @@
 
 if TYPE_CHECKING:
     from apricot.models import LDAPObjectClass
-    from apricot.types import JSONDict, LDAPAttributeDict
+    from apricot.typedefs import JSONDict, LDAPAttributeDict
 
 
 class LDAPAttributeAdaptor:
diff --git a/apricot/oauth/__init__.py b/apricot/oauth/__init__.py
index c5d6268..3591f58 100644
--- a/apricot/oauth/__init__.py
+++ b/apricot/oauth/__init__.py
@@ -1,4 +1,4 @@
-from apricot.types import LDAPAttributeDict, LDAPControlTuple
+from apricot.typedefs import LDAPAttributeDict, LDAPControlTuple
 
 from .enums import OAuthBackend
 from .keycloak_client import KeycloakClient
diff --git a/apricot/oauth/keycloak_client.py b/apricot/oauth/keycloak_client.py
index 54ddaaa..660553d 100644
--- a/apricot/oauth/keycloak_client.py
+++ b/apricot/oauth/keycloak_client.py
@@ -3,7 +3,9 @@
 import operator
 from typing import Any, Self, cast
 
-from apricot.types import JSONDict
+from twisted.python import log
+
+from apricot.typedefs import JSONDict
 
 from .oauth_client import OAuthClient
 
@@ -99,8 +101,9 @@ def groups(self: Self) -> list[JSONDict]:
                     user["username"] for user in cast(list[JSONDict], members)
                 ]
                 output.append(attributes)
-        except KeyError:
-            pass
+        except KeyError as exc:
+            msg = f"Failed to process group {group_dict} due to a missing key {exc}."
+            log.msg(msg)
         return output
 
     def users(self: Self) -> list[JSONDict]:
@@ -170,6 +173,7 @@ def users(self: Self) -> list[JSONDict]:
                 attributes["uid"] = username
                 attributes["uidNumber"] = user_dict["attributes"]["uid"][0]
                 output.append(attributes)
-        except KeyError:
-            pass
+        except KeyError as exc:
+            msg = f"Failed to process user {user_dict} due to a missing key {exc}."
+            log.msg(msg)
         return output
diff --git a/apricot/oauth/microsoft_entra_client.py b/apricot/oauth/microsoft_entra_client.py
index 0970347..3444d92 100644
--- a/apricot/oauth/microsoft_entra_client.py
+++ b/apricot/oauth/microsoft_entra_client.py
@@ -5,7 +5,7 @@
 
 from twisted.python import log
 
-from apricot.types import JSONDict
+from apricot.typedefs import JSONDict
 
 from .oauth_client import OAuthClient
 
@@ -114,6 +114,7 @@ def users(self: Self) -> list[JSONDict]:
                 attributes["uid"] = uid or None
                 attributes["uidNumber"] = user_uid
                 output.append(attributes)
-        except KeyError:
-            pass
+        except KeyError as exc:
+            msg = f"Failed to process user {user_dict} due to a missing key {exc}."
+            log.msg(msg)
         return output
diff --git a/apricot/oauth/oauth_client.py b/apricot/oauth/oauth_client.py
index 34eddba..8536f46 100644
--- a/apricot/oauth/oauth_client.py
+++ b/apricot/oauth/oauth_client.py
@@ -17,7 +17,7 @@
 
 if TYPE_CHECKING:
     from apricot.cache import UidCache
-    from apricot.types import JSONDict
+    from apricot.typedefs import JSONDict
 
 
 class OAuthClient(ABC):
@@ -162,8 +162,8 @@ def query_(*args: Any, **kwargs: Any) -> requests.Response:
         try:
             result = query_(*args, **kwargs)
             result.raise_for_status()
-        except (TokenExpiredError, requests.exceptions.HTTPError):
-            log.msg("Authentication token has expired.")
+        except (TokenExpiredError, requests.exceptions.HTTPError) as exc:
+            log.msg(f"Authentication token is invalid.\n{exc!s}")
             self.bearer_token_ = None
             result = query_(*args, **kwargs)
         if result.status_code == HTTPStatus.NO_CONTENT:
@@ -181,7 +181,7 @@ def verify(self: Self, username: str, password: str) -> bool:
                 client_secret=self.client_secret,
             )
         except InvalidGrantError as exc:
-            log.msg(f"Authentication failed for user '{username}'.\n{exc}")
+            log.msg(f"Authentication failed for user '{username}'.\n{exc!s}")
             return False
         else:
             return True
diff --git a/apricot/oauth/oauth_data_adaptor.py b/apricot/oauth/oauth_data_adaptor.py
index 0545319..274190f 100644
--- a/apricot/oauth/oauth_data_adaptor.py
+++ b/apricot/oauth/oauth_data_adaptor.py
@@ -18,7 +18,7 @@
 
 if TYPE_CHECKING:
 
-    from apricot.types import JSONDict
+    from apricot.typedefs import JSONDict
 
     from .oauth_client import OAuthClient
 
diff --git a/apricot/types.py b/apricot/typedefs.py
similarity index 75%
rename from apricot/types.py
rename to apricot/typedefs.py
index 5cc0617..e93f9ea 100644
--- a/apricot/types.py
+++ b/apricot/typedefs.py
@@ -1,6 +1,5 @@
 from typing import Any
 
 JSONDict = dict[str, Any]
-JSONKey = list[Any] | dict[str, Any] | Any
 LDAPAttributeDict = dict[str, list[str]]
 LDAPControlTuple = tuple[str, bool, Any]
diff --git a/pyproject.toml b/pyproject.toml
index 3fdf026..319d97b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -51,7 +51,7 @@ detached = true
 dependencies = [
   "black~=24.2",
   "mypy~=1.8",
-  "ruff~=0.3",
+  "ruff~=0.7",
   "types-oauthlib~=3.2",
   "types-redis~=4.6",
   "types-requests~=2.31",