diff --git a/elide-integration-tests/src/test/java/example/Book.java b/elide-integration-tests/src/test/java/example/Book.java
index e587524a40..5d505527db 100644
--- a/elide-integration-tests/src/test/java/example/Book.java
+++ b/elide-integration-tests/src/test/java/example/Book.java
@@ -19,6 +19,7 @@
 import javax.persistence.Table;
 import java.util.ArrayList;
 import java.util.Collection;
+import java.util.Date;
 
 /**
  * Model for books.
@@ -37,7 +38,7 @@ public class Book {
     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<>();
 
@@ -74,11 +75,11 @@ 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;
     }