diff --git a/pom.xml b/pom.xml
index 8d64c1c..496e114 100644
--- a/pom.xml
+++ b/pom.xml
@@ -14,7 +14,7 @@
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <java.version>1.8</java.version>
     <scala.version>2.12</scala.version>
-    <spark.version>3.1.2</spark.version>
+    <spark.version>3.4.0</spark.version>
     <junit.version>4.13.1</junit.version>
     <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
   </properties>