diff --git a/iso8601-duration.cabal b/iso8601-duration.cabal
--- a/iso8601-duration.cabal
+++ b/iso8601-duration.cabal
@@ -1,16 +1,16 @@
--- Initial iso8601-duration.cabal generated by cabal init.  For further 
+-- Initial iso8601-duration.cabal generated by cabal init.  For further
 -- documentation, see http://haskell.org/cabal/users-guide/
 
 name:                iso8601-duration
-version:             0.1.1.0
+version:             0.1.2.0
 synopsis:            Types and parser for ISO8601 durations
 description:         Types and parser for ISO8601 durations and intervals
-homepage:            https://github.com/meteogrid/iso8601-duration
+homepage:            https://github.com/albertov/iso8601-duration
 license:             BSD3
 license-file:        LICENSE
 author:              Alberto Valverde (original code from Niklas Hambüchen?)
-maintainer:          alberto@meteogrid.com
-copyright:           2016-2018 Alberto Valverde
+maintainer:          alberto@toscat.net
+copyright:           2016-2024 Alberto Valverde
 category:            Data
 build-type:          Simple
 extra-source-files:  ChangeLog.md
@@ -19,12 +19,12 @@
 library
   exposed-modules:     Data.Time.ISO8601.Duration
                      , Data.Time.ISO8601.Interval
-  -- other-modules:       
+  -- other-modules:
   other-extensions:    ScopedTypeVariables, OverloadedStrings
-  build-depends:       base              >= 4.7    && < 4.12
-                     , bytestring        >= 0.10   && < 0.11
-                     , attoparsec        >= 0.13.1 && < 0.14
-                     , time              >= 1.8    && < 1.9
+  build-depends:       base              >= 4.7    && < 5.0
+                     , bytestring        >= 0.10   && < 0.12
+                     , attoparsec        >= 0.13.1 && < 0.15
+                     , time              >= 1.8    && < 1.13
                      , bytestring-lexing >= 0.5    && < 0.6
   hs-source-dirs:      src
   default-language:    Haskell2010
@@ -54,4 +54,4 @@
 
 source-repository head
   type:     git
-  location: https://github.com/meteogrid/iso8601-duration
+  location: https://github.com/albertov/iso8601-duration
diff --git a/src/Data/Time/ISO8601/Duration.hs b/src/Data/Time/ISO8601/Duration.hs
--- a/src/Data/Time/ISO8601/Duration.hs
+++ b/src/Data/Time/ISO8601/Duration.hs
@@ -26,7 +26,6 @@
 import           Data.ByteString (ByteString)
 import           Data.ByteString.Builder (Builder, toLazyByteString)
 import qualified Data.ByteString.Lazy as LBS
-import           Data.Monoid ((<>))
 import           Data.String (IsString, fromString)
 import           Data.Time hiding (formatTime)
 
@@ -167,4 +166,4 @@
     durSecondToNDT (DurSecond s) = fromIntegral s
 
 addDurationWeek :: DurWeek -> UTCTime -> UTCTime
-addDurationWeek (DurWeek w) = addDurDay (DurDay (w*7)) 
+addDurationWeek (DurWeek w) = addDurDay (DurDay (w*7))
diff --git a/src/Data/Time/ISO8601/Interval.hs b/src/Data/Time/ISO8601/Interval.hs
--- a/src/Data/Time/ISO8601/Interval.hs
+++ b/src/Data/Time/ISO8601/Interval.hs
@@ -12,16 +12,13 @@
 import Data.Time.ISO8601.Duration
 
 import           Control.Applicative
-import           Data.Attoparsec.ByteString (Parser)
 import           Data.Attoparsec.ByteString.Char8 as AP
 import           Data.ByteString.Lex.Integral (readDecimal)
 import           Data.ByteString (ByteString)
 import           Data.ByteString.Lazy (toStrict)
 import           Data.ByteString.Builder
-import           Data.Monoid ((<>))
 import           Data.String (IsString(..))
 import           Data.Time
-import           Data.Time.Calendar (fromGregorian)
 import           Data.Time.Calendar.WeekDate (fromWeekDateValid)
 
 
@@ -87,7 +84,7 @@
 diffTime = do
   h <- fromIntegral <$> intN 2
   m <- fromIntegral <$> option 0 (oChar ':' *> intN 2)
-  s <- maybe 0 realToFrac <$> optional (oChar ':' *> scientific)
+  s <- maybe 0 realToFrac <$> optional (oChar ':' *> AP.scientific)
   return (s + m*60 + h*3600)
 
 intN :: Int -> Parser Int