diff --git a/datasets.cabal b/datasets.cabal
--- a/datasets.cabal
+++ b/datasets.cabal
@@ -1,5 +1,5 @@
 Name:                datasets
-Version:             0.2.0.1
+Version:             0.2.0.2
 Synopsis:            Classical data sets for statistics and machine learning
 Description:         Classical machine learning and statistics datasets from
                      the UCI Machine Learning Repository and other sources.
@@ -49,7 +49,7 @@
 Library
    ghc-options:       -Wall
    hs-source-dirs:    src
-
+   other-extensions: TemplateHaskell
    Exposed-modules:
                    Numeric.Datasets
                  , Numeric.Datasets.Anscombe
diff --git a/src/Numeric/Datasets.hs b/src/Numeric/Datasets.hs
--- a/src/Numeric/Datasets.hs
+++ b/src/Numeric/Datasets.hs
@@ -29,6 +29,7 @@
 import qualified Data.ByteString.Lazy as BL
 import qualified Data.Vector as V
 import qualified Data.Aeson as JSON
+import Control.Applicative
 
 import Data.Char (toUpper)
 import Text.Read (readMaybe)