diff --git a/core/api/pom.xml b/core/api/pom.xml
index 540003a..e02bb78 100644
--- a/core/api/pom.xml
+++ b/core/api/pom.xml
@@ -37,6 +37,15 @@
             <artifactId>joda-time</artifactId>
         </dependency>
         <dependency>
+            <groupId>commons-configuration</groupId>
+            <artifactId>commons-configuration</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>commons-collections</groupId>
+            <artifactId>commons-collections</artifactId>
+            <version>3.2.1</version>
+        </dependency>
+        <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava-testlib</artifactId>
             <scope>test</scope>