diff --git a/CHANGES b/CHANGES
index b0744c6038..429045f9a5 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,3 +1,4 @@
+    * asyncio: Fix memory leak caused by hiredis (#2693)
     * Allow data to drain from async PythonParser when reading during a disconnect()
     * Use asyncio.timeout() instead of async_timeout.timeout() for python >= 3.11 (#2602)
     * Add test and fix async HiredisParser when reading during a disconnect() (#2349)
diff --git a/redis/asyncio/connection.py b/redis/asyncio/connection.py
index 58dcd66efb..03c11a840e 100644
--- a/redis/asyncio/connection.py
+++ b/redis/asyncio/connection.py
@@ -378,6 +378,7 @@ def on_connect(self, connection: "Connection"):
 
     def on_disconnect(self):
         self._connected = False
+        self._reader = None
 
     async def can_read_destructive(self):
         if not self._connected: