diff --git a/structure-learn/calcite_learn/pom.xml b/structure-learn/calcite_learn/pom.xml
index 770b3f2..e9cffc5 100644
--- a/structure-learn/calcite_learn/pom.xml
+++ b/structure-learn/calcite_learn/pom.xml
@@ -44,7 +44,7 @@
         <dependency>
             <groupId>com.alibaba</groupId>
             <artifactId>fastjson</artifactId>
-            <version>1.2.54</version>
+            <version>1.2.83</version>
         </dependency>
         <dependency>
             <groupId>junit</groupId>