Updating to Commons Collections 3.2.2

diff --git a/pom.xml b/pom.xml
index 55bd8eb..6583485 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
   <properties>
     <!-- Dependencies versions ========================================== -->
     <junit.version>4.12</junit.version>
-    <commons.collections.version>3.2.1</commons.collections.version>
+    <commons.collections.version>3.2.2</commons.collections.version>
     <commons.io.version>2.4</commons.io.version>
     <slf4j.api.version>1.7.10</slf4j.api.version>
     <slf4j.log4j12.version>1.7.10</slf4j.log4j12.version>