diff --git a/CausalitySearch/pom.xml b/CausalitySearch/pom.xml
index dfd41c0..3bbc491 100644
--- a/CausalitySearch/pom.xml
+++ b/CausalitySearch/pom.xml
@@ -165,7 +165,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.52</version>
+            <version>1.2.83</version>
         </dependency>
     </dependencies>