diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,6 @@
+# Revision history for hackage-db
+
+## 2.1.2
+
+Fix a bug which lead to `parsePackageData` always failing if the package had
+a `preferred-versions` file in the hackage tarball.
diff --git a/README.md b/README.md
new file mode 100644
--- /dev/null
+++ b/README.md
@@ -0,0 +1,7 @@
+hackage-db
+==========
+
+[![hackage release](https://img.shields.io/hackage/v/hackage-db.svg?label=hackage)](http://hackage.haskell.org/package/hackage-db)
+[![stackage LTS package](http://stackage.org/package/hackage-db/badge/lts)](http://stackage.org/lts/package/hackage-db)
+[![stackage Nightly package](http://stackage.org/package/hackage-db/badge/nightly)](http://stackage.org/nightly/package/hackage-db)
+![Continous Integration](https://github.com/NixOS/hackage-db/workflows/Haskell-CI/badge.svg)
diff --git a/hackage-db.cabal b/hackage-db.cabal
--- a/hackage-db.cabal
+++ b/hackage-db.cabal
@@ -1,9 +1,9 @@
 name:          hackage-db
-version:       2.1.1
+version:       2.1.2
 synopsis:      Access cabal-install's Hackage database via Data.Map
 description:   This library provides convenient access to the local copy of the Hackage
                database that \"cabal update\" creates. Check out
-               <https://github.com/peti/hackage-db/tree/master/example/> for a collection
+               <https://github.com/NixOS/hackage-db/tree/master/example/> for a collection
                of simple example programs that demonstrate how to use this code.
 license:       BSD3
 license-file:  LICENSE
@@ -11,14 +11,16 @@
 maintainer:    Peter Simons <simons@cryp.to>
 tested-with:   GHC == 8.8.4 || == 8.10.4 || == 9.0.1
 category:      Distribution
-homepage:      https://github.com/peti/hackage-db#readme
-bug-reports:   https://github.com/peti/hackage-db/issues
+homepage:      https://github.com/NixOS/hackage-db#readme
+bug-reports:   https://github.com/NixOS/hackage-db/issues
 build-type:    Simple
 cabal-version: >= 1.10
+extra-source-files: README.md
+                    CHANGELOG.md
 
 source-repository head
   type:     git
-  location: git://github.com/peti/hackage-db.git
+  location: git://github.com/NixOS/hackage-db.git
 
 flag install-examples
   default:     False
diff --git a/src/Distribution/Hackage/DB/Parsed.hs b/src/Distribution/Hackage/DB/Parsed.hs
--- a/src/Distribution/Hackage/DB/Parsed.hs
+++ b/src/Distribution/Hackage/DB/Parsed.hs
@@ -27,6 +27,7 @@
 import Distribution.PackageDescription
 import Distribution.PackageDescription.Parsec
 import Distribution.Text
+import Distribution.Types.PackageVersionConstraint
 import Distribution.Version
 import GHC.Generics ( Generic )
 
@@ -54,8 +55,9 @@
     Map.mapWithKey (parseVersionData pn) $
       Map.filterWithKey (\v _ -> v `withinRange` vr) vs'
   where
-    vr | BSS.null pv = anyVersion
-       | otherwise = parseText "preferred version range" (toString pv)
+    PackageVersionConstraint _ vr
+      | BSS.null pv = PackageVersionConstraint pn anyVersion
+      | otherwise = parseText "preferred version range" (toString pv)
 
 parseVersionData :: PackageName -> Version -> U.VersionData -> VersionData
 parseVersionData pn v (U.VersionData cf m) =