diff --git a/dependency.cabal b/dependency.cabal
--- a/dependency.cabal
+++ b/dependency.cabal
@@ -1,5 +1,5 @@
 name:                dependency
-version:             0.1.0.6
+version:             0.1.0.7
 synopsis:            Dependency resolution for package management
 description:         A library for resolving dependencies; uses a topological sort to construct a build plan and then allows choice between all compatible plans.
 license:             BSD3
@@ -30,7 +30,6 @@
                      , recursion-schemes
                      , microlens
                      , deepseq
-                     , composition-prelude
                      , binary
                      , deepseq
   default-language:    Haskell2010
diff --git a/src/Data/Dependency.hs b/src/Data/Dependency.hs
--- a/src/Data/Dependency.hs
+++ b/src/Data/Dependency.hs
@@ -12,7 +12,7 @@
     , Constraint (..)
     ) where
 
-import           Control.Composition
+import           Control.Monad
 import           Data.Dependency.Error
 import           Data.Dependency.Sort
 import           Data.Dependency.Type
diff --git a/src/Data/Dependency/Type.hs b/src/Data/Dependency/Type.hs
--- a/src/Data/Dependency/Type.hs
+++ b/src/Data/Dependency/Type.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE CPP                        #-}
 {-# LANGUAGE DeriveAnyClass             #-}
 {-# LANGUAGE DeriveFoldable             #-}
 {-# LANGUAGE DeriveFunctor              #-}
@@ -25,7 +26,9 @@
 import           Data.Functor.Foldable.TH
 import           Data.List                    (intercalate)
 import qualified Data.Map                     as M
+#if __GLASGOW_HASKELL__ < 804
 import           Data.Semigroup
+#endif
 import qualified Data.Set                     as S
 import           GHC.Generics                 (Generic)
 import           Text.PrettyPrint.ANSI.Leijen hiding ((<$>), (<>))