diff --git a/pom.xml b/pom.xml
index 70cda00..2628fde 100644
--- a/pom.xml
+++ b/pom.xml
@@ -54,7 +54,7 @@
         <commons.collections.version>3.2.2</commons.collections.version>
         <commons.io.version>2.6</commons.io.version>
         <slf4j.version>1.7.25</slf4j.version>
-        <fastjson.version>1.2.51</fastjson.version>
+        <fastjson.version>1.2.83</fastjson.version>
         <servlet.version>3.1.0</servlet.version>
         <struts2.version>2.3.8</struts2.version>
         <thymeleaf.version>3.0.11.RELEASE</thymeleaf.version>