diff --git a/doc/index.texi b/doc/index.texi
index 925cf43..19380a4 100644
--- a/doc/index.texi
+++ b/doc/index.texi
@@ -16,10 +16,10 @@
 @top Overview
 
 Guile Knots is a library providing tools and patterns for programming
-with @url{https://github.com/wingo/fibers, Guile Fibers}.  Guile Knots
-provides higher level building blocks for writing programs using Guile
-Fibers, including managing code that can't run in a thread used by
-fibers.  Also included is a web server implementation using Fibers,
+with @url{https://codeberg.org/guile/fibers, Guile Fibers}.  Guile
+Knots provides higher level building blocks for writing programs using
+Guile Fibers, including managing code that can't run in a thread used
+by fibers.  Also included is a web server implementation using Fibers,
 which while being similar to the web server provided by Fibers, can
 provide some benefits in specific circumstances.