diff --git a/pom.xml b/pom.xml
index ec0a0c4..39ec400 100644
--- a/pom.xml
+++ b/pom.xml
@@ -63,7 +63,7 @@
         <cdap.version>6.4.1</cdap.version>
         <cdap.plugin.version>2.4.0</cdap.plugin.version>
         <junit.version>4.11</junit.version>
-        <spark.version>3.1.2</spark.version>
+        <spark.version>3.4.0</spark.version>
         <widgets.dir>widgets</widgets.dir>
         <docs.dir>docs</docs.dir>
         <main.basedir>${project.basedir}</main.basedir>