diff --git a/README.adoc b/README.adoc
index 16864a1..d8cdb08 100644
--- a/README.adoc
+++ b/README.adoc
@@ -74,8 +74,8 @@ Similar software
    this project wanted to be but the description language is purely declarative
  * https://github.com/wader/fq goes a step above, allowing transformations
    of identified data
- * https://bitbucket.org/haypo/hachoir/wiki/Home seems to be strictly
-   hierarchical, which may not work for file formats like ELF
+ * https://hachoir.readthedocs.io/en/latest/ seems to be strictly hierarchical,
+   which may not work for file formats like ELF
  * https://github.com/ruslashev/elfcat is a more interactive viewer for ELF
 
 Contributing and Support