diff --git a/email-validate.cabal b/email-validate.cabal
--- a/email-validate.cabal
+++ b/email-validate.cabal
@@ -1,5 +1,5 @@
 name:           email-validate
-version:        2.0.0
+version:        2.0.1
 license:        BSD3
 license-file:   LICENSE
 author:         George Pollard <porges@porg.es>
@@ -25,6 +25,7 @@
     build-depends: base >= 4 && < 5
                  , attoparsec >= 0.10.0
                  , bytestring >= 0.9
+                 , ghc-prim
     ghc-options: -O2
     hs-source-dirs: src
     exposed-modules: Text.Email.Validate