diff --git a/src/agents/extensions/memory/redis_session.py b/src/agents/extensions/memory/redis_session.py
index d07809934a..43b39334b2 100644
--- a/src/agents/extensions/memory/redis_session.py
+++ b/src/agents/extensions/memory/redis_session.py
@@ -25,7 +25,7 @@
 import json
 import time
 from dataclasses import dataclass
-from typing import Any
+from typing import Any, cast
 
 from ._optional_imports import raise_optional_dependency_error
 
@@ -675,7 +675,7 @@ async def _decode_messages(raw_messages: list[Any]) -> list[TResponseInputItem]:
             self._check_not_closed()
             if session_limit is None:
                 # Get all messages in chronological order
-                raw_messages = await self._redis.lrange(self._messages_key, 0, -1)  # type: ignore[misc]  # Redis library returns Union[Awaitable[T], T] in async context
+                raw_messages = await self._redis.lrange(self._messages_key, 0, -1)
                 return await _decode_messages(raw_messages)
 
             if session_limit <= 0:
@@ -687,7 +687,7 @@ async def _decode_messages(raw_messages: list[Any]) -> list[TResponseInputItem]:
             # limit counts valid conversation items, matching pop_item and the other backends.
             window = session_limit
             while True:
-                raw_messages = await self._redis.lrange(self._messages_key, -window, -1)  # type: ignore[misc]  # Redis library returns Union[Awaitable[T], T] in async context
+                raw_messages = await self._redis.lrange(self._messages_key, -window, -1)
                 items = await _decode_messages(raw_messages)
                 if len(items) >= session_limit:
                     return items[-session_limit:]
@@ -743,8 +743,8 @@ async def pop_item(self) -> TResponseInputItem | None:
     async def _pop_item_locked(self) -> TResponseInputItem | None:
         """Claim one item while the caller retains the session lock."""
         while True:
-            # Use RPOP to atomically remove and return the rightmost (most recent) item
-            raw_msg = await self._redis.rpop(self._messages_key)  # type: ignore[misc]  # Redis library returns Union[Awaitable[T], T] in async context
+            # Without a count, RPOP returns one item rather than a list of items.
+            raw_msg = cast("bytes | str | None", await self._redis.rpop(self._messages_key))
 
             if raw_msg is None:
                 return None
@@ -823,7 +823,7 @@ async def ping(self) -> bool:
             # Checked outside the try block; the except clause below would swallow it.
             self._check_not_closed()
             try:
-                await self._redis.ping()  # type: ignore[misc]  # Redis library returns Union[Awaitable[T], T] in async context
+                await self._redis.ping()
                 return True
             except Exception:
                 return False
diff --git a/tests/extensions/memory/test_redis_session.py b/tests/extensions/memory/test_redis_session.py
index e9939de547..4876277837 100644
--- a/tests/extensions/memory/test_redis_session.py
+++ b/tests/extensions/memory/test_redis_session.py
@@ -835,7 +835,7 @@ async def test_external_client_not_closed():
         # Should still be able to use the client for other operations
         await shared_client.set("test_key", "test_value")
         value = await shared_client.get("test_key")
-        assert value.decode("utf-8") == "test_value"
+        assert value == b"test_value"
 
     finally:
         # Clean up
diff --git a/uv.lock b/uv.lock
index 184e480d2e..e49aa44be8 100644
--- a/uv.lock
+++ b/uv.lock
@@ -3834,14 +3834,14 @@ wheels = [
 
 [[package]]
 name = "redis"
-version = "7.0.1"
+version = "8.1.0"
 source = { registry = "https://pypi.org/simple" }
 dependencies = [
     { name = "async-timeout", marker = "python_full_version < '3.11.3'" },
 ]
-sdist = { url = "https://files.pythonhosted.org/packages/57/8f/f125feec0b958e8d22c8f0b492b30b1991d9499a4315dfde466cf4289edc/redis-7.0.1.tar.gz", hash = "sha256:c949df947dca995dc68fdf5a7863950bf6df24f8d6022394585acc98e81624f1", size = 4755322, upload-time = "2025-10-27T14:34:00.33Z" }
+sdist = { url = "https://files.pythonhosted.org/packages/a8/99/604f0b666d4c616d891cf77ebb9db6bb21601344c051aebf1b72b9ff915f/redis-8.1.0.tar.gz", hash = "sha256:6e1a19beef9225c83efd689c7e6b7da2d5215b1f42cd13b7fc3714d0a09c7b25", size = 5254356, upload-time = "2026-07-30T08:51:00.269Z" }
 wheels = [
-    { url = "https://files.pythonhosted.org/packages/e9/97/9f22a33c475cda519f20aba6babb340fb2f2254a02fb947816960d1e669a/redis-7.0.1-py3-none-any.whl", hash = "sha256:4977af3c7d67f8f0eb8b6fec0dafc9605db9343142f634041fb0235f67c0588a", size = 339938, upload-time = "2025-10-27T14:33:58.553Z" },
+    { url = "https://files.pythonhosted.org/packages/66/9d/c5731f6e3608663d4d3656fd8d3aecee8b509c3082818f5a13eae925baea/redis-8.1.0-py3-none-any.whl", hash = "sha256:a4fe1aac3d3b3cc791d4b3d5931c5a956045dc951ee74d1c913ee3ac4d2ee9fb", size = 560618, upload-time = "2026-07-30T08:50:58.497Z" },
 ]
 
 [[package]]