diff --git a/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexAggregator.java b/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexAggregator.java
similarity index 98%
rename from pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexAggregator.java
rename to pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexAggregator.java
index 68b7cca..d8f704e 100644
--- a/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexAggregator.java
+++ b/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexAggregator.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.pregelix.example;
+package edu.uci.ics.pregelix.example.utils;
 
 import java.io.IOException;
 import java.util.Iterator;
diff --git a/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexSorter.java b/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexSorter.java
similarity index 98%
rename from pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexSorter.java
rename to pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexSorter.java
index 1dd6922..8421088 100644
--- a/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/VertexSorter.java
+++ b/pregelix-example/src/main/java/edu/uci/ics/pregelix/example/utils/VertexSorter.java
@@ -13,7 +13,7 @@
  * limitations under the License.
  */
 
-package edu.uci.ics.pregelix.example;
+package edu.uci.ics.pregelix.example.utils;
 
 import java.io.IOException;
 import java.util.Iterator;