diff --git a/spark-sql-pm25/pom.xml b/spark-sql-pm25/pom.xml
index 74e6c4a..d5109d1 100644
--- a/spark-sql-pm25/pom.xml
+++ b/spark-sql-pm25/pom.xml
@@ -48,7 +48,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.5</version>
+            <version>2.8.9</version>
         </dependency>
 
         <dependency>