diff --git a/.github/actions/pre-test/action.yml b/.github/actions/pre-test/action.yml
index b70c942fe..f5272c847 100644
--- a/.github/actions/pre-test/action.yml
+++ b/.github/actions/pre-test/action.yml
@@ -6,4 +6,4 @@ runs:
   using: composite
   steps:
   - uses: asottile/workflows/.github/actions/latest-git@v1.4.0
-    if: inputs.env == 'py39' && runner.os == 'Linux'
+    if: inputs.env == 'py310' && runner.os == 'Linux'
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 83ff03f3d..7ea4a444f 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -10,7 +10,7 @@ repos:
     -   id: name-tests-test
     -   id: requirements-txt-fixer
 -   repo: https://github.com/asottile/setup-cfg-fmt
-    rev: v3.1.0
+    rev: v3.2.0
     hooks:
     -   id: setup-cfg-fmt
 -   repo: https://github.com/asottile/reorder-python-imports
@@ -37,7 +37,7 @@ repos:
     hooks:
     -   id: flake8
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.19.1
+    rev: v1.20.1
     hooks:
     -   id: mypy
         additional_dependencies: [types-pyyaml]
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 879ae0731..0620a8ae0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,15 @@
+4.6.0 - 2026-04-21
+==================
+
+### Features
+- `pre-commit hook-impl`: allow `--hook-dir` to be missing to enable easier
+  usage with `git` 2.54+ git hooks.
+    - #3662 PR by @asottile.
+
+### Fixes
+- `pre-commit hook-impl`: `--hook-type` is required.
+    - #3661 PR by @asottile.
+
 4.5.1 - 2025-12-16
 ==================
 
diff --git a/pre_commit/commands/hook_impl.py b/pre_commit/commands/hook_impl.py
index de5c8f346..7b806f3b8 100644
--- a/pre_commit/commands/hook_impl.py
+++ b/pre_commit/commands/hook_impl.py
@@ -16,7 +16,7 @@
 
 def _run_legacy(
         hook_type: str,
-        hook_dir: str,
+        hook_dir: str | None,
         args: Sequence[str],
 ) -> tuple[int, bytes]:
     if os.environ.get('PRE_COMMIT_RUNNING_LEGACY'):
@@ -33,6 +33,9 @@ def _run_legacy(
     else:
         stdin = b''
 
+    if hook_dir is None:  # git 2.54+ hooks
+        return 0, stdin
+
     # not running in legacy mode
     legacy_hook = os.path.join(hook_dir, f'{hook_type}.legacy')
     if not os.access(legacy_hook, os.X_OK):
@@ -259,7 +262,7 @@ def hook_impl(
         config: str,
         color: bool,
         hook_type: str,
-        hook_dir: str,
+        hook_dir: str | None,
         skip_on_missing_config: bool,
         args: Sequence[str],
 ) -> int:
diff --git a/pre_commit/main.py b/pre_commit/main.py
index 0c3eefdaa..d46c0d5b7 100644
--- a/pre_commit/main.py
+++ b/pre_commit/main.py
@@ -357,7 +357,7 @@ def _add_cmd(name: str, *, help: str) -> argparse.ArgumentParser:
     hook_impl_parser = subparsers.add_parser('hook-impl')
     add_color_option(hook_impl_parser)
     _add_config_option(hook_impl_parser)
-    hook_impl_parser.add_argument('--hook-type')
+    hook_impl_parser.add_argument('--hook-type', required=True)
     hook_impl_parser.add_argument('--hook-dir')
     hook_impl_parser.add_argument(
         '--skip-on-missing-config', action='store_true',
diff --git a/setup.cfg b/setup.cfg
index a95ee4473..072fbbb0f 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = pre_commit
-version = 4.5.1
+version = 4.6.0
 description = A framework for managing and maintaining multi-language pre-commit hooks.
 long_description = file: README.md
 long_description_content_type = text/markdown
diff --git a/tests/commands/hook_impl_test.py b/tests/commands/hook_impl_test.py
index d757e85c0..9aa93af53 100644
--- a/tests/commands/hook_impl_test.py
+++ b/tests/commands/hook_impl_test.py
@@ -63,6 +63,11 @@ def test_run_legacy_does_not_exist(tmpdir):
     assert (retv, stdin) == (0, b'')
 
 
+def test_run_legacy_git_2_54():
+    retv, stdin = hook_impl._run_legacy('pre-commit', None, ())
+    assert (retv, stdin) == (0, b'')
+
+
 def test_run_legacy_executes_legacy_script(tmpdir, capfd):
     hook = tmpdir.join('pre-commit.legacy')
     hook.write('#!/usr/bin/env bash\necho hi "$@"\nexit 1\n')
diff --git a/tests/main_test.py b/tests/main_test.py
index fed085fc8..5194e9ea8 100644
--- a/tests/main_test.py
+++ b/tests/main_test.py
@@ -90,7 +90,7 @@ def test_adjust_args_try_repo_repo_relative(in_git_dir):
 
 
 FNS = (
-    'autoupdate', 'clean', 'gc', 'hook_impl', 'install', 'install_hooks',
+    'autoupdate', 'clean', 'gc', 'install', 'install_hooks',
     'migrate_config', 'run', 'sample_config', 'uninstall',
     'validate_config', 'validate_manifest',
 )
@@ -169,6 +169,12 @@ def test_hazmat(mock_store_dir):
     assert arg.cmd == ['cmd', '--', 'f1', 'f2']
 
 
+def test_hook_impl(mock_store_dir):
+    with mock.patch.object(main, 'hook_impl') as mck:
+        main.main(('hook-impl', '--hook-type', 'pre-commit'))
+    assert mck.call_count == 1
+
+
 def test_try_repo(mock_store_dir):
     with mock.patch.object(main, 'try_repo') as patch:
         main.main(('try-repo', '.'))