diff --git a/docs/conf/asciidoc-text.conf b/docs/conf/asciidoc-text.conf
index 470bdecfc2..bb614b9d85 100644
--- a/docs/conf/asciidoc-text.conf
+++ b/docs/conf/asciidoc-text.conf
@@ -1,5 +1,5 @@
 # Refer to following asciidoc documentation:
-#     http://www.methods.co.nz/asciidoc/userguide.html
+#     https://asciidoc-py.github.io/userguide.html
 # In particular sections "Macros" and "Attribute References"
 #
 # For hyperlinks, show 'link text [URL]' (if link text provided) or 'URL'
diff --git a/docs/manual/writing-rules.txt b/docs/manual/writing-rules.txt
index 57ba61bdb1..84d8f76431 100644
--- a/docs/manual/writing-rules.txt
+++ b/docs/manual/writing-rules.txt
@@ -207,10 +207,10 @@ https://github.com/pengutronix/genimage/blob/master/README.rst[].
 === The documentation
 
 The documentation uses the
-http://www.methods.co.nz/asciidoc/[asciidoc] format.
+https://asciidoc-py.github.io/[asciidoc] format.
 
 For further details about the asciidoc syntax, refer to
-http://www.methods.co.nz/asciidoc/userguide.html[].
+https://asciidoc-py.github.io/userguide.html[].
 
 === Support scripts