diff --git a/semantic-diff.cabal b/semantic-diff.cabal
index 5fc935a1c..d916fdd48 100644
--- a/semantic-diff.cabal
+++ b/semantic-diff.cabal
@@ -135,6 +135,7 @@ test-suite test
                      , vector
                      , wl-pprint-text
                      , protolude
+                     , hspec-expectations-pretty-diff
   ghc-options:       -threaded -rtsopts -with-rtsopts=-N -j -pgml=script/g++
   default-language:    Haskell2010
   default-extensions:  DeriveFunctor, DeriveGeneric, FlexibleContexts, FlexibleInstances, OverloadedStrings, NoImplicitPrelude, RecordWildCards