diff --git a/src/main/asciidoc/index.adoc b/src/main/asciidoc/index.adoc
index a9993c6b9..09ade02a9 100644
--- a/src/main/asciidoc/index.adoc
+++ b/src/main/asciidoc/index.adoc
@@ -6,7 +6,7 @@ ifdef::backend-epub3[:front-cover-image: image:epub-cover.png[Front Cover,1050,1
 :spring-data-commons-include: ../../../../spring-data-commons/src/main/asciidoc
 :spring-data-commons-docs: https://raw.githubusercontent.com/spring-projects/spring-data-commons/master/src/main/asciidoc
 
-(C) 2011-2019 The original authors.
+(C) 2011-2020 The original authors.
 
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