diff --git a/scientific.cabal b/scientific.cabal
--- a/scientific.cabal
+++ b/scientific.cabal
@@ -1,5 +1,5 @@
 name:                scientific
-version:             0.1.0.1
+version:             0.2.0.0
 synopsis:            Arbitrary-precision floating-point numbers represented using scientific notation
 description:         A @Scientific@ number is an arbitrary-precision floating-point number
                      represented using scientific notation.
diff --git a/src/Data/Scientific.hs b/src/Data/Scientific.hs
--- a/src/Data/Scientific.hs
+++ b/src/Data/Scientific.hs
@@ -38,6 +38,7 @@
 import           Control.Monad       (mplus)
 import           Control.DeepSeq     (NFData)
 import           Data.Char           (intToDigit, ord)
+import           Data.Data           (Data)
 import           Data.Function       (on)
 import           Data.Functor        ((<$>))
 import           Data.Hashable       (Hashable(..))
@@ -76,7 +77,7 @@
 data Scientific = Scientific
     { coefficient    ::                !Integer -- ^ The coefficient of a scientific number.
     , base10Exponent :: {-# UNPACK #-} !Int     -- ^ The base-10 exponent of a scientific number.
-    } deriving (Typeable)
+    } deriving (Typeable, Data)
 
 -- | @scientific c e@ constructs a scientific number with
 -- 'coefficient' @c@ and 'base10Exponent' @e@.