diff --git a/elide-integration-tests/src/test/java/example/Book.java b/elide-integration-tests/src/test/java/example/Book.java
index 52c7d2353c..9f1354166f 100644
--- a/elide-integration-tests/src/test/java/example/Book.java
+++ b/elide-integration-tests/src/test/java/example/Book.java
@@ -28,6 +28,10 @@
 import javax.persistence.Table;
 import javax.persistence.Transient;
 
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Date;
+
 /**
  * Model for books.
  */
@@ -43,7 +47,7 @@ public class Book extends BaseId {
     private String title;
     private String genre;
     private String language;
-    private long publishDate = 0;
+    private Date publishDate = new Date(0);
     private Collection<Author> authors = new ArrayList<>();
     private Collection<Chapter> chapters = new ArrayList<>();
     private String editorName;
@@ -75,11 +79,11 @@ public void setLanguage(String language) {
         this.language = language;
     }
 
-    public void setPublishDate(final long publishDate) {
+    public void setPublishDate(final Date publishDate) {
         this.publishDate = publishDate;
     }
 
-    public long getPublishDate() {
+    public Date getPublishDate() {
         return this.publishDate;
     }