diff --git a/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/http/AbstractLiteClient.java b/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/http/AbstractLiteClient.java
index b538f4bc4a..20302af8e6 100644
--- a/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/http/AbstractLiteClient.java
+++ b/eventmesh-sdk-java/src/main/java/org/apache/eventmesh/client/http/AbstractLiteClient.java
@@ -60,7 +60,7 @@ public CloseableHttpClient setHttpClient() throws Exception {
         }
         SSLContext sslContext = null;
         try {
-            String protocol = System.getProperty("ssl.client.protocol", "TLSv1.1");
+            String protocol = System.getProperty("ssl.client.protocol", "TLSv1.2");
             TrustManager[] tm = new TrustManager[]{new MyX509TrustManager()};
             sslContext = SSLContext.getInstance(protocol);
             sslContext.init(null, tm, new SecureRandom());