diff --git a/one-to-one-uni/pom.xml b/one-to-one-uni/pom.xml
index e6fa31e..76b6d25 100644
--- a/one-to-one-uni/pom.xml
+++ b/one-to-one-uni/pom.xml
@@ -108,7 +108,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-configuration2</artifactId>
-			<version>2.5</version>
+			<version>2.7</version>
 		</dependency>
 
 		<dependency>