diff --git a/app/App/Commands.hs b/app/App/Commands.hs
--- a/app/App/Commands.hs
+++ b/app/App/Commands.hs
@@ -2,7 +2,6 @@
 
 import App.Commands.RangeStats
 import App.Commands.TextToWord
-import Data.Semigroup          ((<>))
 import Options.Applicative
 
 commands :: Parser (IO ())
diff --git a/app/App/Commands/RangeStats.hs b/app/App/Commands/RangeStats.hs
--- a/app/App/Commands/RangeStats.hs
+++ b/app/App/Commands/RangeStats.hs
@@ -8,7 +8,6 @@
 
 import Control.Lens
 import Data.Generics.Product.Any
-import Data.Semigroup            ((<>))
 import Options.Applicative       hiding (columns)
 
 import qualified App.Commands.Types                 as Z
diff --git a/app/App/Commands/TextToWord.hs b/app/App/Commands/TextToWord.hs
--- a/app/App/Commands/TextToWord.hs
+++ b/app/App/Commands/TextToWord.hs
@@ -9,7 +9,6 @@
 import Control.Lens
 import Data.Generics.Product.Any
 import Data.Maybe                (catMaybes)
-import Data.Semigroup            ((<>))
 import Options.Applicative       hiding (columns)
 import Text.Read
 
diff --git a/app/Main.hs b/app/Main.hs
--- a/app/Main.hs
+++ b/app/Main.hs
@@ -2,7 +2,6 @@
 
 import App.Commands
 import Control.Monad
-import Data.Semigroup      ((<>))
 import Options.Applicative
 
 main :: IO ()
diff --git a/hw-ip.cabal b/hw-ip.cabal
--- a/hw-ip.cabal
+++ b/hw-ip.cabal
@@ -1,20 +1,20 @@
 cabal-version: 2.4
 
 name:                   hw-ip
-version:                2.4.1.0
+version:                2.4.2.0
 license:                BSD-3-Clause
 license-file:           LICENSE
-copyright:              2018-2019 John Ky, David Turnbull, Jian Wan
+copyright:              2018-2020 John Ky
+                        2019-2020 David Turnbull
+                        2019-2020 Jian Wan
 maintainer:             newhoggy@gmail.com
-author:                 John Ky,
-                        David Turnbull,
-                        Jian Wan
+author:                 John Ky, David Turnbull, Jian Wan
 homepage:               https://github.com/haskell-works/hw-ip#readme
 bug-reports:            https://github.com/haskell-works/hw-ip/issues
 synopsis:               Library for manipulating IP addresses and CIDR blocks
 description:            Library for manipulating IP addresses and CIDR blocks. Please see README.md
 category:               Network
-tested-with:            GHC == 8.8.1, GHC == 8.6.5, GHC == 8.4.4, GHC == 8.2.2
+tested-with:            GHC == 8.10.1, GHC == 8.8.3, GHC == 8.6.5, GHC == 8.4.4
 build-type:             Simple
 extra-source-files:     README.md
 
@@ -22,25 +22,23 @@
     type: git
     location: https://github.com/haskell-works/hw-ip
 
-common base                     { build-depends: base                     >= 4          && < 5      }
-
-common appar                    { build-depends: appar                    >= 0.1.8      && < 0.2    }
-common binary                   { build-depends: binary                   >= 0.8        && < 0.9    }
-common bytestring               { build-depends: bytestring               >= 0.10.6     && < 0.11   }
-common containers               { build-depends: containers               >= 0.5        && < 0.7    }
-common doctest                  { build-depends: doctest                  >= 0.16.2     && < 0.17   }
-common doctest-discover         { build-depends: doctest-discover         >= 0.2        && < 0.3    }
-common generic-lens             { build-depends: generic-lens             >= 1.1.0.0    && < 1.3    }
-common hedgehog                 { build-depends: hedgehog                 >= 0.6        && < 1.1    }
-common hspec                    { build-depends: hspec                    >= 2.4.4      && < 2.8    }
-common hw-bits                  { build-depends: hw-bits                  >= 0.7        && < 0.8    }
-common hw-hspec-hedgehog        { build-depends: hw-hspec-hedgehog        >= 0.1.0.2    && < 0.2    }
-common iproute                  { build-depends: iproute                  >= 1.7.3      && < 1.8    }
-common lens                     { build-depends: lens                     >= 4          && < 5      }
-common optparse-applicative     { build-depends: optparse-applicative     >= 0.14       && < 0.16   }
-common text                     { build-depends: text                     >= 1.2.3.1    && < 1.3    }
+common base                       { build-depends: base                       >= 4.11       && < 5      }
 
-common semigroups   { if impl(ghc <  8    ) { build-depends: semigroups   >= 0.16       && < 0.19   } }
+common appar                      { build-depends: appar                      >= 0.1.8      && < 0.2    }
+common binary                     { build-depends: binary                     >= 0.8        && < 0.9    }
+common bytestring                 { build-depends: bytestring                 >= 0.10.6     && < 0.11   }
+common containers                 { build-depends: containers                 >= 0.5        && < 0.7    }
+common doctest                    { build-depends: doctest                    >= 0.16.2     && < 0.17   }
+common doctest-discover           { build-depends: doctest-discover           >= 0.2        && < 0.3    }
+common generic-lens               { build-depends: generic-lens               >= 1.1.0.0    && < 2.1    }
+common hedgehog                   { build-depends: hedgehog                   >= 0.6        && < 1.1    }
+common hspec                      { build-depends: hspec                      >= 2.4.4      && < 2.8    }
+common hw-bits                    { build-depends: hw-bits                    >= 0.7        && < 0.8    }
+common hw-hspec-hedgehog          { build-depends: hw-hspec-hedgehog          >= 0.1.0.2    && < 0.2    }
+common iproute                    { build-depends: iproute                    >= 1.7.3      && < 1.8    }
+common lens                       { build-depends: lens                       >= 4          && < 5      }
+common optparse-applicative       { build-depends: optparse-applicative       >= 0.14       && < 0.16   }
+common text                       { build-depends: text                       >= 1.2.3.1    && < 1.3    }
 
 common config
   default-language:     Haskell2010
@@ -82,7 +80,6 @@
                       , hw-ip
                       , lens
                       , optparse-applicative
-                      , semigroups
                       , text
   other-modules:        App.Commands
                         App.Commands.RangeStats
diff --git a/src/HaskellWorks/Data/Network/Ip/Ipv4.hs b/src/HaskellWorks/Data/Network/Ip/Ipv4.hs
--- a/src/HaskellWorks/Data/Network/Ip/Ipv4.hs
+++ b/src/HaskellWorks/Data/Network/Ip/Ipv4.hs
@@ -34,7 +34,6 @@
 import Control.Applicative                   ((<|>))
 import Data.Bifunctor
 import Data.Foldable
-import Data.Semigroup                        ((<>))
 import Data.Word
 import Foreign.Storable
 import GHC.Generics
