diff --git a/guava/pom.xml b/guava/pom.xml
index f9994defec69..16d8ea10867f 100644
--- a/guava/pom.xml
+++ b/guava/pom.xml
@@ -20,7 +20,7 @@
 		<dependency>
 			<groupId>org.apache.commons</groupId>
 			<artifactId>commons-collections4</artifactId>
-			<version>4.0</version>
+			<version>4.1</version>
 		</dependency>
 		
 		<!-- web -->