diff --git a/pom.xml b/pom.xml
index 786fc68ea2..068c80b77c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -701,7 +701,7 @@
             <dependency>
                 <groupId>commons-io</groupId>
                 <artifactId>commons-io</artifactId>
-                <version>2.6</version>
+                <version>2.6</version> <!-- note: this is the last version compatible with java7 -->
             </dependency>
             <dependency>
                 <groupId>org.apache.commons</groupId>