diff --git a/pom.xml b/pom.xml
index 00b9f284..a44fd5b0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -39,7 +39,7 @@
   <properties>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>1.8</java.version>
-    <spark.version>3.1.2</spark.version>
+    <spark.version>3.4.0</spark.version>
     <solr.version>8.11.0</solr.version>
     <hadoop.version>3.2.2</hadoop.version>
     <fasterxml.version>2.12.3</fasterxml.version>