diff --git a/springboot-elasticsearch/pom.xml b/springboot-elasticsearch/pom.xml
index bcf0f44..f1436ef 100644
--- a/springboot-elasticsearch/pom.xml
+++ b/springboot-elasticsearch/pom.xml
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.40</version>
+            <version>1.2.83</version>
         </dependency>
 
     </dependencies>
diff --git a/springboot-kafka/pom.xml b/springboot-kafka/pom.xml
index 8778b54..3b5f077 100644
--- a/springboot-kafka/pom.xml
+++ b/springboot-kafka/pom.xml
@@ -34,7 +34,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.40</version>
+            <version>1.2.83</version>
         </dependency>
 
 
diff --git a/springboot-neo4j/pom.xml b/springboot-neo4j/pom.xml
index 0276891..d012a6b 100644
--- a/springboot-neo4j/pom.xml
+++ b/springboot-neo4j/pom.xml
@@ -56,7 +56,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.40</version>
+            <version>1.2.83</version>
         </dependency>
 
         <!--neo4j-->