diff --git a/graphs/pom.xml b/graphs/pom.xml
index afbb40c..9902f89 100644
--- a/graphs/pom.xml
+++ b/graphs/pom.xml
@@ -31,7 +31,7 @@
 		<dependency>
 			<groupId>commons-collections</groupId>
 			<artifactId>commons-collections</artifactId>
-			<version>3.2.1</version>
+			<version>3.2.2</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-io</groupId>