diff --git a/rocketmq-serializer/rocketmq-serializer-json/pom.xml b/rocketmq-serializer/rocketmq-serializer-json/pom.xml
index 0d33906ba..be6b8069c 100644
--- a/rocketmq-serializer/rocketmq-serializer-json/pom.xml
+++ b/rocketmq-serializer/rocketmq-serializer-json/pom.xml
@@ -14,10 +14,7 @@
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
--->
-<project xmlns="http://maven.apache.org/POM/4.0.0"
-         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+--><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
 
     <groupId>org.apache.rocketmq</groupId>
@@ -35,7 +32,7 @@
         <maven.compiler.target>1.8</maven.compiler.target>
         <rocketmq.version>4.2.0</rocketmq.version>
         <commons-lang.version>2.5</commons-lang.version>
-        <fastjson.version>1.2.44</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
     </properties>
 
     <dependencies>