diff --git a/code/fact_verification/pom.xml b/code/fact_verification/pom.xml
index bdfaffc..16a2f5c 100644
--- a/code/fact_verification/pom.xml
+++ b/code/fact_verification/pom.xml
@@ -60,7 +60,7 @@
     <dependency>
       <groupId>com.alibaba</groupId>
       <artifactId>fastjson</artifactId>
-      <version>1.2.47</version>
+      <version>1.2.83</version>
     </dependency>
     <dependency>
       <groupId>log4j</groupId>