diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 97592684..33b0d974 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 All changes to this project will be documented in this file.
 
+## [10.4.3] - 2020-09-22
+
+(cobra 2 cobra) specify as an HTTP header which channel we will republish to
+
 ## [10.4.2] - 2020-09-18
 
 (cobra bots) change an error log to a warning log when reconnecting because no messages were received for a minute
diff --git a/ixbots/ixbots/IXCobraToCobraBot.cpp b/ixbots/ixbots/IXCobraToCobraBot.cpp
index 06fe7fee..45848a7a 100644
--- a/ixbots/ixbots/IXCobraToCobraBot.cpp
+++ b/ixbots/ixbots/IXCobraToCobraBot.cpp
@@ -23,6 +23,8 @@ namespace ix
         CobraConfig cobraPublisherConfig = cobraBotConfig.cobraConfig;
         cobraPublisherConfig.rolename = publisherRolename;
         cobraPublisherConfig.rolesecret = publisherRolesecret;
+        cobraPublisherConfig.headers["X-Cobra-Republish-Channel"] = republishChannel;
+
         cobraMetricsPublisher.configure(cobraPublisherConfig, republishChannel);
 
         bot.setOnBotMessageCallback(
diff --git a/ixwebsocket/IXWebSocketVersion.h b/ixwebsocket/IXWebSocketVersion.h
index 482c663a..525e2209 100644
--- a/ixwebsocket/IXWebSocketVersion.h
+++ b/ixwebsocket/IXWebSocketVersion.h
@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "10.4.2"
+#define IX_WEBSOCKET_VERSION "10.4.3"