diff --git a/src/Data/Validity/Vector.hs b/src/Data/Validity/Vector.hs
--- a/src/Data/Validity/Vector.hs
+++ b/src/Data/Validity/Vector.hs
@@ -12,5 +12,4 @@
 -- TODO make a more comprehensive instance that looks at implementation and
 -- the underlying 'Array'
 instance (Validity a) => Validity (Vector a) where
-    isValid hs = isValid $ V.toList hs
-    validate hs = V.toList hs <?!> "Vector elements"
+    validate hs = annotate (V.toList hs) "Vector elements"
diff --git a/validity-vector.cabal b/validity-vector.cabal
--- a/validity-vector.cabal
+++ b/validity-vector.cabal
@@ -1,30 +1,38 @@
-name: validity-vector
-version: 0.1.0.0
-cabal-version: >=1.10
-build-type: Simple
-license: MIT
-license-file: LICENSE
-copyright: Copyright: (c) 2017 Tom Sydney Kerckhove
-maintainer: syd.kerckhove@gmail.com
-homepage: https://github.com/NorfairKing/validity#readme
-synopsis: Validity instances for vector
-description:
-    Please see README.md
-category: Validity
-author: Tom Sydney Kerckhove
+-- This file has been generated from package.yaml by hpack version 0.20.0.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: d9d44f20263d659807eb59ffb5c23f378e66596ca60cc1b53ef0ecb757514b97
 
+name:           validity-vector
+version:        0.2.0.0
+synopsis:       Validity instances for vector
+description:    Please see README.md
+category:       Validity
+homepage:       https://github.com/NorfairKing/validity#readme
+bug-reports:    https://github.com/NorfairKing/validity/issues
+author:         Tom Sydney Kerckhove
+maintainer:     syd.kerckhove@gmail.com
+copyright:      Copyright: (c) 2017-2018 Tom Sydney Kerckhove
+license:        MIT
+license-file:   LICENSE
+build-type:     Simple
+cabal-version:  >= 1.10
+
 source-repository head
-    type: git
-    location: https://github.com/NorfairKing/validity
+  type: git
+  location: https://github.com/NorfairKing/validity
 
 library
-    exposed-modules:
-        Data.Validity.Vector
-    build-depends:
-        base >=4.7 && <5,
-        validity >=0.4 && <0.5,
-        vector -any,
-        hashable -any
-    default-language: Haskell2010
-    hs-source-dirs: src
-
+  hs-source-dirs:
+      src
+  build-depends:
+      base >=4.7 && <5
+    , hashable
+    , validity >=0.5 && <0.6
+    , vector
+  exposed-modules:
+      Data.Validity.Vector
+  other-modules:
+      Paths_validity_vector
+  default-language: Haskell2010