diff --git a/hazelcast/src/main/resources/hazelcast.xml b/hazelcast/src/main/resources/hazelcast.xml
index f29dc532b8..889e65801b 100644
--- a/hazelcast/src/main/resources/hazelcast.xml
+++ b/hazelcast/src/main/resources/hazelcast.xml
@@ -1,16 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<hazelcast xsi:schemaLocation="http://www.hazelcast.com/schema/config hazelcast-config-3.7.xsd"
-           xmlns="http://www.hazelcast.com/schema/config"
-           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
+<hazelcast xmlns="http://www.hazelcast.com/schema/config"
+           xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+           xsi:schemaLocation="http://www.hazelcast.com/schema/config
+                               http://www.hazelcast.com/schema/config/hazelcast-config-4.0.xsd">
     <network>
         <port auto-increment="true" port-count="20">5701</port>
         <join>
-            <multicast enabled="false">
-	        </multicast>
-	      	<tcp-ip enabled="true">
-	        	<member>machine1</member>
-		        <member>localhost</member>
-	      	</tcp-ip>
+            <multicast enabled="false"/>
+            <tcp-ip enabled="true">
+                <member>machine1</member>
+                <member>localhost</member>
+            </tcp-ip>
         </join>
     </network>
 </hazelcast>
\ No newline at end of file