diff --git a/third_party/2and3/redis/client.pyi b/third_party/2and3/redis/client.pyi
index 06e7ac27b..0e6504410 100644
--- a/third_party/2and3/redis/client.pyi
+++ b/third_party/2and3/redis/client.pyi
@@ -35,6 +35,7 @@ def parse_zscan(response, **options): ...
 def parse_slowlog_get(response, **options): ...
 
 _Str = Union[bytes, float, int, Text]
+_Key = Union[Text, bytes]
 
 class Redis(object):
     RESPONSE_CALLBACKS: Any
@@ -121,9 +122,9 @@ class Redis(object):
     def dump(self, name): ...
     def exists(self, *names: Text) -> int: ...
     __contains__: Any
-    def expire(self, name: Union[Text, bytes], time: Union[int, timedelta]) -> bool: ...
+    def expire(self, name: _Key, time: Union[int, timedelta]) -> bool: ...
     def expireat(self, name, when): ...
-    def get(self, name: Union[Text, bytes]) -> Any: ...  # Optional[Union[str, bytes]] depending on decode_responses
+    def get(self, name: _Key) -> Any: ...  # Optional[Union[str, bytes]] depending on decode_responses
     def __getitem__(self, name): ...
     def getbit(self, name, offset): ...
     def getrange(self, key, start, end): ...
@@ -147,7 +148,7 @@ class Redis(object):
     def restore(self, name, ttl, value): ...
     def set(
         self,
-        name: Union[Text, bytes],
+        name: _Key,
         value: _Str,
         ex: Union[None, int, timedelta] = ...,
         px: Union[None, int, timedelta] = ...,
@@ -183,8 +184,8 @@ class Redis(object):
     def rpush(self, name: _Str, *values: _Str) -> int: ...
     def rpushx(self, name, value): ...
     def sort(self, name, start=..., num=..., by=..., get=..., desc=..., alpha=..., store=..., groups=...): ...
-    def scan(self, cursor: int = ..., match: Optional[Union[Text, bytes]] = ..., count: Optional[int] = ...) -> Tuple[int, List[Any]]: ...  # Tuple[int, List[Union[Text, bytes]]] depending on decode_responses
-    def scan_iter(self, match: Optional[Text] = ..., count: Optional[int] = ...) -> Iterator[Any]: ...  # Iterator[Union[Text, bytes]] depending on decode_responses
+    def scan(self, cursor: int = ..., match: Optional[_Key] = ..., count: Optional[int] = ...) -> Tuple[int, List[Any]]: ...  # Tuple[int, List[_Key]] depending on decode_responses
+    def scan_iter(self, match: Optional[Text] = ..., count: Optional[int] = ...) -> Iterator[Any]: ...  # Iterator[_Key] depending on decode_responses
     def sscan(self, name, cursor=..., match=..., count=...): ...
     def sscan_iter(self, name, match=..., count=...): ...
     def hscan(self, name, cursor=..., match=..., count=...): ...
@@ -236,7 +237,9 @@ class Redis(object):
     def xreadgroup(self, groupname, consumername, streams, count=..., block=..., noack=...): ...
     def xrevrange(self, name, max=..., min=..., count=...): ...
     def xtrim(self, name, maxlen, approximate=...): ...
-    def zadd(self, name, mapping, nx: bool = ..., xx: bool = ..., ch: bool = ..., incr: bool = ...): ...
+    def zadd(
+        self, name: _Key, mapping: Mapping[_Key, _Str], nx: bool = ..., xx: bool = ..., ch: bool = ..., incr: bool = ...
+    ) -> int: ...
     def zcard(self, name): ...
     def zcount(self, name, min, max): ...
     def zincrby(self, name, value, amount=...): ...
@@ -249,7 +252,7 @@ class Redis(object):
     def zrem(self, name, *values): ...
     def zremrangebylex(self, name, min, max): ...
     def zremrangebyrank(self, name, min, max): ...
-    def zremrangebyscore(self, name, min, max): ...
+    def zremrangebyscore(self, name: _Key, min: _Str, max: _Str) -> int: ...
     def zrevrange(self, name, start, end, withscores=..., score_cast_func=...): ...
     def zrevrangebyscore(self, name, max, min, start=..., num=..., withscores=..., score_cast_func=...): ...
     def zrevrank(self, name, value): ...