diff --git a/rackshift-dhcp-proxy/pom.xml b/rackshift-dhcp-proxy/pom.xml
index 6de88399..e290166f 100644
--- a/rackshift-dhcp-proxy/pom.xml
+++ b/rackshift-dhcp-proxy/pom.xml
@@ -29,7 +29,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.45</version>
+            <version>1.2.83</version>
             <scope>compile</scope>
         </dependency>
         <dependency>