diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 7156196d..308d907e 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,6 +1,10 @@
 # Changelog
 All changes to this project will be documented in this file.
 
+## [9.3.0] - 2020-04-15
+
+(websocket) add a positive number to the heartbeat message sent, incremented each time the heartbeat is sent
+
 ## [9.2.9] - 2020-04-15
 
 (ixcobra) change cobra event callback to use a struct instead of several objects, which is more flexible/extensible
diff --git a/ixbots/ixbots/IXCobraToSentryBot.cpp b/ixbots/ixbots/IXCobraToSentryBot.cpp
index 2e6ce0ed..3567d75b 100644
--- a/ixbots/ixbots/IXCobraToSentryBot.cpp
+++ b/ixbots/ixbots/IXCobraToSentryBot.cpp
@@ -237,7 +237,7 @@ namespace ix
             }
             else if (event->type == ix::CobraEventType::Pong)
             {
-                spdlog::info("Received websocket pong");
+                spdlog::info("Received websocket pong: {}", event->errMsg);
             }
             else if (event->type == ix::CobraEventType::HandshakeError)
             {
diff --git a/ixcobra/ixcobra/IXCobraConnection.cpp b/ixcobra/ixcobra/IXCobraConnection.cpp
index 7446e71b..f4843687 100644
--- a/ixcobra/ixcobra/IXCobraConnection.cpp
+++ b/ixcobra/ixcobra/IXCobraConnection.cpp
@@ -239,7 +239,7 @@ namespace ix
                 }
                 else if (msg->type == ix::WebSocketMessageType::Pong)
                 {
-                    invokeEventCallback(ix::CobraEventType::Pong);
+                    invokeEventCallback(ix::CobraEventType::Pong, msg->str);
                 }
         });
     }
diff --git a/ixwebsocket/IXWebSocketTransport.cpp b/ixwebsocket/IXWebSocketTransport.cpp
index 0a401d3d..45a51015 100644
--- a/ixwebsocket/IXWebSocketTransport.cpp
+++ b/ixwebsocket/IXWebSocketTransport.cpp
@@ -74,6 +74,7 @@ namespace ix
         , _enablePong(kDefaultEnablePong)
         , _pingIntervalSecs(kDefaultPingIntervalSecs)
         , _pongReceived(false)
+        , _pingCount(0)
         , _lastSendPingTimePoint(std::chrono::steady_clock::now())
     {
         _readbuf.resize(kChunkSize);
@@ -221,7 +222,7 @@ namespace ix
     {
         _pongReceived = false;
         std::stringstream ss;
-        ss << kPingMessage << "::" << _pingIntervalSecs << "s";
+        ss << kPingMessage << "::" << _pingIntervalSecs << "s" << "::" << _pingCount++;
         return sendPing(ss.str());
     }
 
diff --git a/ixwebsocket/IXWebSocketTransport.h b/ixwebsocket/IXWebSocketTransport.h
index ab278af3..09b88b6b 100644
--- a/ixwebsocket/IXWebSocketTransport.h
+++ b/ixwebsocket/IXWebSocketTransport.h
@@ -212,6 +212,7 @@ namespace ix
 
         static const int kDefaultPingIntervalSecs;
         static const std::string kPingMessage;
+        std::atomic<uint64_t> _pingCount;
 
         // We record when ping are being sent so that we can know when to send the next one
         mutable std::mutex _lastSendPingTimePointMutex;
diff --git a/ixwebsocket/IXWebSocketVersion.h b/ixwebsocket/IXWebSocketVersion.h
index 7c546325..307d05da 100644
--- a/ixwebsocket/IXWebSocketVersion.h
+++ b/ixwebsocket/IXWebSocketVersion.h
@@ -6,4 +6,4 @@
 
 #pragma once
 
-#define IX_WEBSOCKET_VERSION "9.2.9"
+#define IX_WEBSOCKET_VERSION "9.3.0"
diff --git a/ws/ws_cobra_subscribe.cpp b/ws/ws_cobra_subscribe.cpp
index c4d0f0dc..6c1d840e 100644
--- a/ws/ws_cobra_subscribe.cpp
+++ b/ws/ws_cobra_subscribe.cpp
@@ -164,7 +164,7 @@ namespace ix
             }
             else if (event->type == ix::CobraEventType::Pong)
             {
-                spdlog::info("Received websocket pong");
+                spdlog::info("Received websocket pong: {}", event->errMsg);
             }
             else if (event->type == ix::CobraEventType::HandshakeError)
             {