diff --git a/src/main/java/org/springframework/samples/petclinic/model/Person.java b/src/main/java/org/springframework/samples/petclinic/model/Person.java
index 30b5829d8e5..92ca39a01b9 100644
--- a/src/main/java/org/springframework/samples/petclinic/model/Person.java
+++ b/src/main/java/org/springframework/samples/petclinic/model/Person.java
@@ -18,6 +18,7 @@
 import jakarta.persistence.Column;
 import jakarta.persistence.MappedSuperclass;
 import jakarta.validation.constraints.NotBlank;
+import jakarta.validation.constraints.Size;
 
 /**
  * Simple JavaBean domain object representing an person.
@@ -27,11 +28,13 @@
 @MappedSuperclass
 public class Person extends BaseEntity {
 
-	@Column
+	@Column(length = 30)
+	@Size(max = 30)
 	@NotBlank
 	private String firstName;
 
-	@Column
+	@Column(length = 30)
+	@Size(max = 30)
 	@NotBlank
 	private String lastName;