diff --git a/src/main/java/com/authlete/common/dto/Service.java b/src/main/java/com/authlete/common/dto/Service.java
index <HASH>..<HASH> 100644
--- a/src/main/java/com/authlete/common/dto/Service.java
+++ b/src/main/java/com/authlete/common/dto/Service.java
@@ -147,7 +147,7 @@ import com.authlete.common.types.UserCodeCharset;
  */
 public class Service implements Serializable
 {
-    private static final long serialVersionUID = 26L;
+    private static final long serialVersionUID = 27L;
 
 
     /*
Incremented serialVersionUID of Service class.