diff --git a/moco-core/src/main/java/com/github/dreamhead/moco/UnexpectedRequestMatcher.java b/moco-core/src/main/java/com/github/dreamhead/moco/UnexpectedRequestMatcher.java
index <HASH>..<HASH> 100644
--- a/moco-core/src/main/java/com/github/dreamhead/moco/UnexpectedRequestMatcher.java
+++ b/moco-core/src/main/java/com/github/dreamhead/moco/UnexpectedRequestMatcher.java
@@ -1,6 +1,6 @@
 package com.github.dreamhead.moco;
 
-public class UnexpectedRequestMatcher implements RequestMatcher {
+public final class UnexpectedRequestMatcher implements RequestMatcher {
     @Override
     public boolean match(final Request request) {
         return true;
added missing final to unexpected request matcher