diff --git a/hadoop/wordcount-hdfs-copy/pom.xml b/hadoop/wordcount-hdfs-copy/pom.xml
index ce07eb10..b805531c 100644
--- a/hadoop/wordcount-hdfs-copy/pom.xml
+++ b/hadoop/wordcount-hdfs-copy/pom.xml
@@ -55,7 +55,7 @@
 		<dependency>
 			<groupId>org.codehaus.groovy</groupId>
 			<artifactId>groovy</artifactId>
-			<version>1.8.5</version>
+			<version>2.4.21</version>
 			<scope>runtime</scope>
 		</dependency>