diff --git a/server/src/main/java/io/cettia/DefaultServer.java b/server/src/main/java/io/cettia/DefaultServer.java
index 93dc5fc..79e7343 100644
--- a/server/src/main/java/io/cettia/DefaultServer.java
+++ b/server/src/main/java/io/cettia/DefaultServer.java
@@ -386,6 +386,7 @@ public void on() {
           });
 
           Map<String, String> headers = new LinkedHashMap<>();
+          headers.put("cettia-version", "1.0");
           headers.put("cettia-id", id);
           headers.put("cettia-heartbeat", options.get("heartbeat"));
           headers.put("cettia-_heartbeat", options.get("_heartbeat"));
diff --git a/server/src/main/java/io/cettia/transport/http/HttpTransportServer.java b/server/src/main/java/io/cettia/transport/http/HttpTransportServer.java
index d1fb2e4..dbbc638 100644
--- a/server/src/main/java/io/cettia/transport/http/HttpTransportServer.java
+++ b/server/src/main/java/io/cettia/transport/http/HttpTransportServer.java
@@ -311,6 +311,7 @@ private static class StreamTransport extends BaseTransport {
     public StreamTransport(ServerHttpExchange http) {
       super(http);
       Map<String, String> query = new LinkedHashMap<>();
+      query.put("cettia-transport-version", "1.0");
       query.put("cettia-transport-id", id);
       http.onfinish(new VoidAction() {
         @Override
@@ -415,6 +416,7 @@ public void on() {
       switch (when) {
         case "open":
           Map<String, String> query = new LinkedHashMap<>();
+          query.put("cettia-transport-version", "1.0");
           query.put("cettia-transport-id", id);
           endWithMessage(http, "?" + formatQuery(query));
           break;
diff --git a/server/src/test/resources/package.json b/server/src/test/resources/package.json
index fb6f771..fca9990 100644
--- a/server/src/test/resources/package.json
+++ b/server/src/test/resources/package.json
@@ -1,7 +1,7 @@
 {
   "private": "true",
   "devDependencies": {
-    "cettia-protocol": "cettia/cettia-protocol#f2a9df19c92541215c8ee7f19d2939181ba99b22",
+    "cettia-protocol": "cettia/cettia-protocol#f83e99cdc202b4818c2041b1563ee8a6ac8c8f00",
     "mocha": "^3.2.0",
     "chai": "^3.5.0",
     "minimist": "^1.2.0"