diff --git a/pom.xml b/pom.xml
index 6f8f3990..92183c47 100644
--- a/pom.xml
+++ b/pom.xml
@@ -46,7 +46,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.24</version>
+            <version>1.2.83</version>
         </dependency>
 
 
@@ -62,7 +62,7 @@
         <dependency>
             <groupId>org.dom4j</groupId>
             <artifactId>dom4j</artifactId>
-            <version>2.1.0</version>
+            <version>2.1.3</version>
         </dependency>
 
 
@@ -100,7 +100,7 @@
         <dependency>
             <groupId>org.apache.logging.log4j</groupId>
             <artifactId>log4j-core</artifactId>
-            <version>2.8.2</version>
+            <version>2.12.4</version>
         </dependency>
 
         <dependency>
@@ -193,7 +193,7 @@
         <dependency>
             <groupId>com.thoughtworks.xstream</groupId>
             <artifactId>xstream</artifactId>
-            <version>1.4.10</version>
+            <version>1.4.20</version>
         </dependency>
 
         <dependency>