diff --git a/data-aggregation-casestudies/pom.xml b/data-aggregation-casestudies/pom.xml
index d79208b..ab7c09f 100644
--- a/data-aggregation-casestudies/pom.xml
+++ b/data-aggregation-casestudies/pom.xml
@@ -105,7 +105,7 @@
 		<dependency>
 			<groupId>commons-io</groupId>
 			<artifactId>commons-io</artifactId>
-			<version>2.5</version>
+			<version>2.7</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.commons</groupId>