diff --git a/attoparsec-data.cabal b/attoparsec-data.cabal
--- a/attoparsec-data.cabal
+++ b/attoparsec-data.cabal
@@ -1,7 +1,7 @@
 name:
   attoparsec-data
 version:
-  0.1.1.2
+  1
 category:
   Parsing
 synopsis:
@@ -35,9 +35,10 @@
   hs-source-dirs:
     library
   exposed-modules:
+    Attoparsec.Data
+  other-modules:
     Attoparsec.Data.Explicit
     Attoparsec.Data.Implicit
-  other-modules:
     Attoparsec.Data.Prelude
   default-extensions:
     Arrows, BangPatterns, ConstraintKinds, DataKinds, DefaultSignatures, DeriveDataTypeable, DeriveFoldable, DeriveFunctor, DeriveGeneric, DeriveTraversable, EmptyDataDecls, FlexibleContexts, FlexibleInstances, FunctionalDependencies, GADTs, GeneralizedNewtypeDeriving, LambdaCase, LiberalTypeSynonyms, MagicHash, MultiParamTypeClasses, MultiWayIf, NoImplicitPrelude, NoMonomorphismRestriction, OverloadedStrings, PatternGuards, ParallelListComp, QuasiQuotes, RankNTypes, RecordWildCards, ScopedTypeVariables, StandaloneDeriving, TemplateHaskell, TupleSections, TypeFamilies, TypeOperators, UnboxedTuples
@@ -51,7 +52,7 @@
     bytestring >= 0.10 && < 0.11,
     -- 
     attoparsec == 0.13.*,
-    attoparsec-time == 0.1.*,
+    attoparsec-time >= 0.1.2.1 && < 0.2,
     -- 
     base-prelude < 2,
     base < 5
diff --git a/library/Attoparsec/Data.hs b/library/Attoparsec/Data.hs
new file mode 100644
--- /dev/null
+++ b/library/Attoparsec/Data.hs
@@ -0,0 +1,11 @@
+module Attoparsec.Data
+(
+  -- * Explicit
+  module Attoparsec.Data.Explicit,
+  -- * Implicit
+  module Attoparsec.Data.Implicit,
+)
+where
+
+import Attoparsec.Data.Explicit
+import Attoparsec.Data.Implicit
diff --git a/library/Attoparsec/Data/Explicit.hs b/library/Attoparsec/Data/Explicit.hs
--- a/library/Attoparsec/Data/Explicit.hs
+++ b/library/Attoparsec/Data/Explicit.hs
@@ -13,6 +13,8 @@
   B.dayInISO8601,
   B.timeZoneInISO8601,
   B.utcTimeInISO8601,
+  B.diffTime,
+  B.nominalDiffTime,
 )
 where
 
diff --git a/library/Attoparsec/Data/Implicit.hs b/library/Attoparsec/Data/Implicit.hs
--- a/library/Attoparsec/Data/Implicit.hs
+++ b/library/Attoparsec/Data/Implicit.hs
@@ -39,5 +39,7 @@
 INSTANCE(Day, A.dayInISO8601)
 INSTANCE(TimeZone, A.timeZoneInISO8601)
 INSTANCE(UTCTime, A.utcTimeInISO8601)
+INSTANCE(DiffTime, A.diffTime)
+INSTANCE(NominalDiffTime, A.nominalDiffTime)
 
 #undef INSTANCE