diff --git a/client/pom.xml b/client/pom.xml
index 69c30cf..2507f4e 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.9</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>
diff --git a/pom.xml b/pom.xml
index e8b4f9b..5be9674 100644
--- a/pom.xml
+++ b/pom.xml
@@ -53,7 +53,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.9</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>
diff --git a/server/pom.xml b/server/pom.xml
index 512c641..f309047 100644
--- a/server/pom.xml
+++ b/server/pom.xml
@@ -54,7 +54,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.9</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>