diff --git a/src/reference/asciidoc/index-docinfo.xml b/src/reference/asciidoc/index-docinfo.xml
index 42b5626b..68c669e9 100644
--- a/src/reference/asciidoc/index-docinfo.xml
+++ b/src/reference/asciidoc/index-docinfo.xml
@@ -1,7 +1,7 @@
 <productname>Spring Kafka</productname>
 <releaseinfo>{spring-kafka-version}</releaseinfo>
 <copyright>
-	<year>2016-2017</year>
+	<year>2016-2018</year>
 	<holder>Pivotal Software Inc.</holder>
 </copyright>
 <authorgroup>