diff --git a/changelog.d/7401.feature b/changelog.d/7401.feature
new file mode 100644
index 0000000000..ce6140fdd1
--- /dev/null
+++ b/changelog.d/7401.feature
@@ -0,0 +1 @@
+Add support for running replication over Redis when using workers.
diff --git a/stubs/txredisapi.pyi b/stubs/txredisapi.pyi
index 763d3fb404..cac689d4f3 100644
--- a/stubs/txredisapi.pyi
+++ b/stubs/txredisapi.pyi
@@ -22,7 +22,10 @@ class RedisProtocol:
     def publish(self, channel: str, message: bytes): ...
 
 class SubscriberProtocol:
+    password: Optional[str]
     def subscribe(self, channels: Union[str, List[str]]): ...
+    def connectionMade(self): ...
+    def connectionLost(self, reason): ...
 
 def lazyConnection(
     host: str = ...,
diff --git a/synapse/replication/tcp/redis.py b/synapse/replication/tcp/redis.py
index 617e860f95..41c623d737 100644
--- a/synapse/replication/tcp/redis.py
+++ b/synapse/replication/tcp/redis.py
@@ -61,6 +61,7 @@ class RedisSubscriber(txredisapi.SubscriberProtocol, AbstractConnection):
     outbound_redis_connection = None  # type: txredisapi.RedisProtocol
 
     def connectionMade(self):
+        super().connectionMade()
         logger.info("Connected to redis instance")
         self.subscribe(self.stream_name)
         self.send_command(ReplicateCommand())
@@ -119,6 +120,7 @@ class RedisSubscriber(txredisapi.SubscriberProtocol, AbstractConnection):
             logger.warning("Unhandled command: %r", cmd)
 
     def connectionLost(self, reason):
+        super().connectionLost(reason)
         logger.info("Lost connection to redis instance")
         self.handler.lost_connection(self)
 
@@ -189,5 +191,6 @@ class RedisDirectTcpReplicationClientFactory(txredisapi.SubscriberFactory):
         p.handler = self.handler
         p.outbound_redis_connection = self.outbound_redis_connection
         p.stream_name = self.stream_name
+        p.password = self.password
 
         return p