diff --git a/pom.xml b/pom.xml
index 6792b20..05f3dfb 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,7 +21,7 @@
     <scala.version>2.12.10</scala.version>
     <scala.compat.version>2.12</scala.compat.version>
     <spec2.version>4.12.3</spec2.version>
-    <spark.version>2.4.0</spark.version>
+    <spark.version>3.4.0</spark.version>
   </properties>
 
   <dependencies>