diff --git a/test/java/spark/pom.xml b/test/java/spark/pom.xml
index 7c3906f4b..6be1e2dda 100644
--- a/test/java/spark/pom.xml
+++ b/test/java/spark/pom.xml
@@ -21,7 +21,7 @@
         <scala.binary.version>2.12</scala.binary.version>
         <junit.version>4.13.2</junit.version>
         <seaweedfs.hadoop3.client.version>4.00</seaweedfs.hadoop3.client.version>
-        <jackson.version>2.18.2</jackson.version> <!-- Upgraded from 2.15.3 -->
+        <jackson.version>2.18.6</jackson.version> <!-- Upgraded from 2.15.3 -->
         <netty.version>4.1.129.Final</netty.version> <!-- Upgraded to 4.1.125.Final for security fixes (CVE in netty-codec < 4.1.125.Final, netty-codec-http2 <= 4.1.123.Final) -->
         <parquet.version>1.15.2</parquet.version> <!-- Upgraded to 1.15.2 for security fix -->
         <parquet.format.version>2.12.0</parquet.format.version>