diff --git a/spec.md b/spec.md
index 2d50799f..16d3c42d 100644
--- a/spec.md
+++ b/spec.md
@@ -190,6 +190,12 @@ If present, the value of this header MUST be a digest matching that of the respo
 
 If the blob is not found in the registry, the response code MUST be `404 Not Found`.
 
+A GET request MAY also include a `Range` request header to download part of a
+blob in accordance with [RFC 9110](https://datatracker.ietf.org/doc/html/rfc9110#name-range-requests).
+The response code SHOULD either be `216 (Partial Content)` or `416 (Range Not Satisfiable)`
+in case of an invalid range. If the registry doesn't support range requests, it
+SHOULD respond with `Accept-Ranges: none`.
+
 ##### Checking if content exists in the registry
 
 In order to verify that a repository contains a given manifest or blob, make a `HEAD` request to a URL in the following form: