diff --git a/NEWS.md b/NEWS.md
--- a/NEWS.md
+++ b/NEWS.md
@@ -3,6 +3,30 @@
 
 
 
+link-relations 0.1.1.0 -- 2016-01-28
+====================================
+
+General, build and documentation changes:
+
+* (None)
+
+New APIs, features and enhancements:
+
+* Update to new registry revision, which adds the `blocked-by` and `preload`
+  relation types
+
+Bug fixes:
+
+* (None)
+
+Dependency changes:
+
+* (None)
+
+
+
+
+
 link-relations 0.1.0.0 -- 2015-12-15
 ====================================
 
diff --git a/link-relations.cabal b/link-relations.cabal
--- a/link-relations.cabal
+++ b/link-relations.cabal
@@ -1,5 +1,5 @@
 name:                link-relations
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis:            Use web link relation types (RFC 5988) in Haskell
 description:
   This library provides access to the IANA registry of link relation types, for
diff --git a/src/Web/LinkRelations.hs b/src/Web/LinkRelations.hs
--- a/src/Web/LinkRelations.hs
+++ b/src/Web/LinkRelations.hs
@@ -32,7 +32,7 @@
 -- 'LinkRelation' datatype.
 --
 -- This version of the package corresponds to the
--- /2015-01-21/
+-- /2016-01-22/
 -- version of the registry.
 module Web.LinkRelations
     ( -- * Types and Conversions
@@ -50,6 +50,7 @@
     , relAppendix
     , relArchives
     , relAuthor
+    , relBlockedBy
     , relBookmark
     , relCanonical
     , relChapter
@@ -90,6 +91,7 @@
     , relPayment
     , relPredecessorVersion
     , relPrefetch
+    , relPreload
     , relPrev
     , relPreview
     , relPrevious
@@ -133,6 +135,7 @@
     | RelAppendix
     | RelArchives
     | RelAuthor
+    | RelBlockedBy
     | RelBookmark
     | RelCanonical
     | RelChapter
@@ -173,6 +176,7 @@
     | RelPayment
     | RelPredecessorVersion
     | RelPrefetch
+    | RelPreload
     | RelPrev
     | RelPreview
     | RelPrevious
@@ -210,6 +214,7 @@
     , ("appendix", RelAppendix)
     , ("archives", RelArchives)
     , ("author", RelAuthor)
+    , ("blocked-by", RelBlockedBy)
     , ("bookmark", RelBookmark)
     , ("canonical", RelCanonical)
     , ("chapter", RelChapter)
@@ -250,6 +255,7 @@
     , ("payment", RelPayment)
     , ("predecessor-version", RelPredecessorVersion)
     , ("prefetch", RelPrefetch)
+    , ("preload", RelPreload)
     , ("prev", RelPrev)
     , ("preview", RelPreview)
     , ("previous", RelPrevious)
@@ -310,6 +316,7 @@
         RelAppendix -> "appendix"
         RelArchives -> "archives"
         RelAuthor -> "author"
+        RelBlockedBy -> "blocked-by"
         RelBookmark -> "bookmark"
         RelCanonical -> "canonical"
         RelChapter -> "chapter"
@@ -350,6 +357,7 @@
         RelPayment -> "payment"
         RelPredecessorVersion -> "predecessor-version"
         RelPrefetch -> "prefetch"
+        RelPreload -> "preload"
         RelPrev -> "prev"
         RelPreview -> "preview"
         RelPrevious -> "previous"
@@ -420,6 +428,14 @@
 relAuthor :: LinkRelation
 relAuthor = RelAuthor
 
+-- | Identifies the entity blocking access to a resource folllowing on receipt
+-- of a legal demand.
+--
+-- Reference:
+-- <https://www.iana.org/go/draft-ietf-httpbis-legally-restricted-status-04 RFC -ietf-httpbis-legally-restricted-status-04>
+relBlockedBy :: LinkRelation
+relBlockedBy = RelBlockedBy
+
 -- | Gives a permanent link to use for bookmarking purposes.
 --
 -- Reference: <http://www.w3.org/TR/html5/links.html#link-type-bookmark>
@@ -733,6 +749,16 @@
 -- Reference: <http://www.w3.org/TR/html5/links.html#link-type-prefetch>
 relPrefetch :: LinkRelation
 relPrefetch = RelPrefetch
+
+-- | Refers to a resource that should be loaded early in the processing of the
+-- link\'s context, without blocking rendering.
+--
+-- Reference: <http://www.w3.org/TR/preload/>
+--
+-- Note: Additional target attributes establish the detailed fetch properties
+-- of the link.
+relPreload :: LinkRelation
+relPreload = RelPreload
 
 -- | Indicates that the link\'s context is a part of a series, and that the
 -- previous in the series is the link target.
diff --git a/util/generate.hs b/util/generate.hs
--- a/util/generate.hs
+++ b/util/generate.hs
@@ -19,7 +19,7 @@
 
 import Control.Applicative
 import Control.Monad (guard, liftM)
-import Data.Char (toUpper)
+import Data.Char (isDigit, toUpper)
 import Data.Csv
 import Data.Foldable (mapM_)
 import Data.Int (Int64)
@@ -50,7 +50,7 @@
 
 -- | Y-M-D date specifying the time of the last update to the IANA registry.
 lastUpdated :: BL.ByteString
-lastUpdated = "2015-01-21"
+lastUpdated = "2016-01-22"
 
 -------------------------------------------------------------------------------
 -- Types
@@ -167,8 +167,12 @@
     in  case stripLinkSuffix w of
             Just (t, r)
                 | rfcPrefix `BL.isPrefixOf` t  -> Just $
-                    let num = BL.drop rfcDrop t
-                    in  iana <> "rfc" <> num <> " RFC " <> num <> ">" <> r
+                    let name = BL.drop rfcDrop t
+                        pref =
+                            if BLC.all isDigit name
+                                then "rfc"
+                                else "draft"
+                    in  iana <> pref <> name <> " RFC " <> name <> ">" <> r
                 | httpPrefix `BL.isPrefixOf` t -> Just $
                     "<" <> BL.drop httpDrop t <> ">" <> r
                 | otherPrefix `BL.isPrefixOf` t  -> Just $
diff --git a/util/link-relations-1.csv b/util/link-relations-1.csv
--- a/util/link-relations-1.csv
+++ b/util/link-relations-1.csv
@@ -5,6 +5,8 @@
 archives,"Refers to a collection of records, documents, or other
       materials of historical interest.",[http://www.w3.org/TR/2011/WD-html5-20110113/links.html#rel-archives],
 author,Refers to the context's author.,[http://www.w3.org/TR/html5/links.html#link-type-author],
+blocked-by,"Identifies the entity blocking access to a resource
+      folllowing on receipt of a legal demand.",[RFC-ietf-httpbis-legally-restricted-status-04],
 bookmark,Gives a permanent link to use for bookmarking purposes.,[http://www.w3.org/TR/html5/links.html#link-type-bookmark],
 canonical,Designates the preferred version of a resource (the IRI and its contents).,[RFC6596],
 chapter,Refers to a chapter in a collection of resources.,[http://www.w3.org/TR/1999/REC-html401-19991224],
@@ -102,6 +104,7 @@
 predecessor-version,"Points to a resource containing the predecessor
       version in the version history.",[RFC5829],
 prefetch,Indicates that the link target should be preemptively cached.,[http://www.w3.org/TR/html5/links.html#link-type-prefetch],
+preload,"Refers to a resource that should be loaded early in the processing of the link's context, without blocking rendering.",[http://www.w3.org/TR/preload/],Additional target attributes establish the detailed fetch properties of the link.
 prev,"Indicates that the link's context is a part of a series, and
       that the previous in the series is the link target.",[http://www.w3.org/TR/html5/links.html#link-type-prev],
 preview,Refers to a resource that provides a preview of the link's context.,"[RFC6903], section 3",
