diff --git a/src/org/olap4j/sample/PaloConnection.java b/src/org/olap4j/sample/PaloConnection.java
index 388553e..650d26c 100644
--- a/src/org/olap4j/sample/PaloConnection.java
+++ b/src/org/olap4j/sample/PaloConnection.java
@@ -53,6 +53,9 @@ public static void main(String[] args) throws Exception {
             new TraditionalCellSetFormatter();
 
         formatter.format(cellSet, new PrintWriter(System.out));
+
+        statement.close();
+        connection.close();
     }
 }