diff --git a/src/etc/testcases/taskdefs/optional/xml/entity.xml b/src/etc/testcases/taskdefs/optional/xml/entity.xml
index b90651471..a9340e56a 100644
--- a/src/etc/testcases/taskdefs/optional/xml/entity.xml
+++ b/src/etc/testcases/taskdefs/optional/xml/entity.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
diff --git a/src/etc/testcases/taskdefs/optional/xsltliaison-include.xml b/src/etc/testcases/taskdefs/optional/xsltliaison-include.xml
index 88713e490..aebef3390 100644
--- a/src/etc/testcases/taskdefs/optional/xsltliaison-include.xml
+++ b/src/etc/testcases/taskdefs/optional/xsltliaison-include.xml
@@ -1,4 +1,4 @@
-<?xml version="1.0"?>
+<?xml version="1.0" encoding="UTF-8"?>
 <!--
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with