diff --git a/build.gradle b/build.gradle
index 058540e..cf2828f 100644
--- a/build.gradle
+++ b/build.gradle
@@ -35,7 +35,7 @@ dependencies {
     compile 'com.netflix.archaius:archaius-core:0.7.3'
     compile 'org.slf4j:slf4j-api:1.7.3'
     compile 'log4j:log4j:1.2.17'
-    compile 'commons-collections:commons-collections:3.2.1'
+    compile 'commons-collections:commons-collections:3.2.2'
     testCompile 'junit:junit:4.11'
     testCompile 'org.slf4j:slf4j-log4j12:1.7.3'
 }