diff --git a/README.rdoc b/README.rdoc
index f8494e91..d42bbcf9 100644
--- a/README.rdoc
+++ b/README.rdoc
@@ -1790,6 +1790,11 @@ If you install gems as root, the last step should be
 
   sudo rake install
 
+== Versioning
+
+Sinatra follows [Semantic Versioning](http://semver.org/), both SemVer and
+SemVerTag.
+
 == Further Reading
 
 * {Project Website}[http://www.sinatrarb.com/] - Additional documentation,