diff --git a/index.adoc b/index.adoc
index 40f65d76..4335c863 100644
--- a/index.adoc
+++ b/index.adoc
@@ -6,3 +6,4 @@ Documentation:
- link:0.17[0.17]
- link:0.19[0.19]
- link:0.20[0.20]
+- link:0.21[0.21]
diff --git a/index.html b/index.html
index 54cccde0..7433cb5a 100644
--- a/index.html
+++ b/index.html
@@ -760,6 +760,11 @@ asciidoc.install();
0.20
+
+
+0.21
+
+
@@ -767,7 +772,7 @@ asciidoc.install();