diff --git a/git/cmd.py b/git/cmd.py
index f8b6c9e78..384a39077 100644
--- a/git/cmd.py
+++ b/git/cmd.py
@@ -490,7 +490,7 @@ def check_unsafe_options(cls, options: List[str], unsafe_options: List[str]) ->
                         f"{unsafe_option} is not allowed, use `allow_unsafe_options=True` to allow it."
                     )
 
-    class AutoInterrupt(object):
+    class AutoInterrupt:
         """Process wrapper that terminates the wrapped process on finalization.
 
         This kills/interrupts the stored process instance once this instance goes out of
@@ -602,7 +602,7 @@ def read_all_from_possibly_closed_stream(stream: Union[IO[bytes], None]) -> byte
 
     # END auto interrupt
 
-    class CatFileContentStream(object):
+    class CatFileContentStream:
         """Object representing a sized read-only stream returning the contents of
         an object.
 
diff --git a/git/diff.py b/git/diff.py
index 1fde4d676..d5740a7fc 100644
--- a/git/diff.py
+++ b/git/diff.py
@@ -79,7 +79,7 @@ def decode_path(path: bytes, has_ab_prefix: bool = True) -> Optional[bytes]:
     return path
 
 
-class Diffable(object):
+class Diffable:
     """Common interface for all objects that can be diffed against another object of
     compatible type.
 
@@ -90,7 +90,7 @@ class Diffable(object):
 
     __slots__ = ()
 
-    class Index(object):
+    class Index:
         """Stand-in indicating you want to diff against the index."""
 
     def _process_diff_args(
@@ -252,7 +252,7 @@ def iter_change_type(self, change_type: Lit_change_type) -> Iterator[T_Diff]:
         # END for each diff
 
 
-class Diff(object):
+class Diff:
     """A Diff contains diff information between two Trees.
 
     It contains two sides a and b of the diff, members are prefixed with
diff --git a/git/index/typ.py b/git/index/typ.py
index 046df6e83..7b86cae55 100644
--- a/git/index/typ.py
+++ b/git/index/typ.py
@@ -32,7 +32,7 @@
 # } END invariants
 
 
-class BlobFilter(object):
+class BlobFilter:
     """
     Predicate to be used by iter_blobs allowing to filter only return blobs which
     match the given list of directories or files.
diff --git a/git/index/util.py b/git/index/util.py
index f52b61b4a..08e49d860 100644
--- a/git/index/util.py
+++ b/git/index/util.py
@@ -33,7 +33,7 @@
 # } END aliases
 
 
-class TemporaryFileSwap(object):
+class TemporaryFileSwap:
     """Utility class moving a file to a temporary location within the same directory
     and moving it back on to where on object deletion."""
 
diff --git a/git/objects/tree.py b/git/objects/tree.py
index fec98d6e8..b33da3709 100644
--- a/git/objects/tree.py
+++ b/git/objects/tree.py
@@ -102,7 +102,7 @@ def merge_sort(a: List[TreeCacheTup], cmp: Callable[[TreeCacheTup, TreeCacheTup]
         k = k + 1
 
 
-class TreeModifier(object):
+class TreeModifier:
     """A utility class providing methods to alter the underlying cache in a list-like fashion.
 
     Once all adjustments are complete, the _cache, which really is a reference to
diff --git a/git/objects/util.py b/git/objects/util.py
index d2c1c0158..5ccb3ec37 100644
--- a/git/objects/util.py
+++ b/git/objects/util.py
@@ -337,7 +337,7 @@ def parse_actor_and_date(line: str) -> Tuple[Actor, int, int]:
 # { Classes
 
 
-class ProcessStreamAdapter(object):
+class ProcessStreamAdapter:
     """Class wiring all calls to the contained Process instance.
 
     Use this type to hide the underlying process to provide access only to a specified
diff --git a/git/refs/symbolic.py b/git/refs/symbolic.py
index 7da957e2f..3587a52d3 100644
--- a/git/refs/symbolic.py
+++ b/git/refs/symbolic.py
@@ -55,7 +55,7 @@ def _git_dir(repo: "Repo", path: Union[PathLike, None]) -> PathLike:
     return repo.common_dir
 
 
-class SymbolicReference(object):
+class SymbolicReference:
     """Special case of a reference that is symbolic.
 
     This does not point to a specific commit, but to another
diff --git a/git/repo/base.py b/git/repo/base.py
index da81698d8..2694282d0 100644
--- a/git/repo/base.py
+++ b/git/repo/base.py
@@ -108,7 +108,7 @@ class BlameEntry(NamedTuple):
     orig_linenos: range
 
 
-class Repo(object):
+class Repo:
     """Represents a git repository and allows you to query references,
     gather commit information, generate diffs, create and clone repositories query
     the log.
diff --git a/git/util.py b/git/util.py
index 29cf12f7c..e61e3c6f5 100644
--- a/git/util.py
+++ b/git/util.py
@@ -516,7 +516,7 @@ def remove_password_if_present(cmdline: Sequence[str]) -> List[str]:
 # { Classes
 
 
-class RemoteProgress(object):
+class RemoteProgress:
     """
     Handler providing an interface to parse progress information emitted by git-push
     and git-fetch and to dispatch callbacks allowing subclasses to react to the progress.
@@ -723,7 +723,7 @@ def update(self, *args: Any, **kwargs: Any) -> None:
         self._callable(*args, **kwargs)
 
 
-class Actor(object):
+class Actor:
     """Actors hold information about a person acting on the repository. They
     can be committers and authors or anything with a name and an email as
     mentioned in the git log entries."""
@@ -847,7 +847,7 @@ def author(cls, config_reader: Union[None, "GitConfigParser", "SectionConstraint
         return cls._main_actor(cls.env_author_name, cls.env_author_email, config_reader)
 
 
-class Stats(object):
+class Stats:
     """
     Represents stat information as presented by git at the end of a merge. It is
     created from the output of a diff operation.
@@ -908,7 +908,7 @@ def _list_from_string(cls, repo: "Repo", text: str) -> "Stats":
         return Stats(hsh["total"], hsh["files"])
 
 
-class IndexFileSHA1Writer(object):
+class IndexFileSHA1Writer:
     """Wrapper around a file-like object that remembers the SHA1 of
     the data written to it. It will write a sha when the stream is closed
     or if the asked for explicitly using write_sha.
@@ -942,7 +942,7 @@ def tell(self) -> int:
         return self.f.tell()
 
 
-class LockFile(object):
+class LockFile:
     """Provides methods to obtain, check for, and release a file based lock which
     should be used to handle concurrent access to the same file.