diff --git a/redis/client.py b/redis/client.py
index b7a1f88d92..078db6d9e3 100755
--- a/redis/client.py
+++ b/redis/client.py
@@ -1,10 +1,11 @@
 import copy
 import re
+import ssl
 import threading
 import time
 import warnings
 from itertools import chain
-from typing import Any, Callable, Dict, List, Optional, Type, Union
+from typing import Any, Callable, Dict, List, Mapping, Optional, Type, Union
 
 from redis._cache import (
     DEFAULT_ALLOW_LIST,
@@ -173,47 +174,47 @@ def from_pool(
 
     def __init__(
         self,
-        host="localhost",
-        port=6379,
-        db=0,
-        password=None,
-        socket_timeout=None,
-        socket_connect_timeout=None,
-        socket_keepalive=None,
-        socket_keepalive_options=None,
-        connection_pool=None,
-        unix_socket_path=None,
-        encoding="utf-8",
-        encoding_errors="strict",
-        charset=None,
-        errors=None,
-        decode_responses=False,
-        retry_on_timeout=False,
-        retry_on_error=None,
-        ssl=False,
-        ssl_keyfile=None,
-        ssl_certfile=None,
-        ssl_cert_reqs="required",
-        ssl_ca_certs=None,
-        ssl_ca_path=None,
-        ssl_ca_data=None,
-        ssl_check_hostname=False,
-        ssl_password=None,
-        ssl_validate_ocsp=False,
-        ssl_validate_ocsp_stapled=False,
+        host: str = "localhost",
+        port: int = 6379,
+        db: int = 0,
+        password: Optional[str] = None,
+        socket_timeout: Optional[float] = None,
+        socket_connect_timeout: Optional[float] = None,
+        socket_keepalive: Optional[bool] = None,
+        socket_keepalive_options: Optional[Mapping[int, Union[int, bytes]]] = None,
+        connection_pool: Optional[ConnectionPool] = None,
+        unix_socket_path: Optional[str] = None,
+        encoding: str = "utf-8",
+        encoding_errors: str = "strict",
+        charset: Optional[str] = None,
+        errors: Optional[str] = None,
+        decode_responses: bool = False,
+        retry_on_timeout: bool = False,
+        retry_on_error: Optional[list] = None,
+        ssl: bool = False,
+        ssl_keyfile: Optional[str] = None,
+        ssl_certfile: Optional[str] = None,
+        ssl_cert_reqs: str = "required",
+        ssl_ca_certs: Optional[str] = None,
+        ssl_ca_path: Optional[str] = None,
+        ssl_ca_data: Optional[str] = None,
+        ssl_check_hostname: bool = False,
+        ssl_password: Optional[str] = None,
+        ssl_validate_ocsp: bool = False,
+        ssl_validate_ocsp_stapled: bool = False,
         ssl_ocsp_context=None,
-        ssl_ocsp_expected_cert=None,
-        ssl_min_version=None,
-        ssl_ciphers=None,
-        max_connections=None,
-        single_connection_client=False,
-        health_check_interval=0,
-        client_name=None,
-        lib_name="redis-py",
-        lib_version=get_lib_version(),
-        username=None,
-        retry=None,
-        redis_connect_func=None,
+        ssl_ocsp_expected_cert: Optional[str] = None,
+        ssl_min_version: Optional[ssl.TLSVersion] = None,
+        ssl_ciphers: Optional[str] = None,
+        max_connections: Optional[int] = None,
+        single_connection_client: bool = False,
+        health_check_interval: int = 0,
+        client_name: Optional[str] = None,
+        lib_name: Optional[str] = "redis-py",
+        lib_version: Optional[str] = get_lib_version(),
+        username: Optional[str] = None,
+        retry: Union[Any, None] = None,
+        redis_connect_func: Optional[Callable[[], None]] = None,
         credential_provider: Optional[CredentialProvider] = None,
         protocol: Optional[int] = 2,
         cache_enabled: bool = False,