diff --git a/pom.xml b/pom.xml
index 58aca14..e04fad8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -12,7 +12,7 @@
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
-        <spark.version>2.4.3</spark.version>
+        <spark.version>3.4.0</spark.version>
         <scala.maven.plugin.version>3.3.1</scala.maven.plugin.version>
         <scala.version>2.12.10</scala.version>
         <scala.binary.version>2.12</scala.binary.version>