diff --git a/Chapter01/pom.xml b/Chapter01/pom.xml
index 6fddc04..3e39684 100644
--- a/Chapter01/pom.xml
+++ b/Chapter01/pom.xml
@@ -13,7 +13,7 @@
 	<properties>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jdk.version>1.8</jdk.version>
-		<spark.version>2.1.0</spark.version>
+		<spark.version>2.4.7</spark.version>
 	</properties>
 
 	<dependencies>