diff --git a/Data/Array/Internal/Dynamic.hs b/Data/Array/Internal/Dynamic.hs
--- a/Data/Array/Internal/Dynamic.hs
+++ b/Data/Array/Internal/Dynamic.hs
@@ -15,6 +15,7 @@
 {-# OPTIONS_GHC -Wno-orphans #-}
 {-# LANGUAGE DeriveDataTypeable #-}
 {-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE GeneralizedNewtypeDeriving #-}
 {-# LANGUAGE MultiParamTypeClasses #-}
diff --git a/Data/Array/Internal/Shape.hs b/Data/Array/Internal/Shape.hs
--- a/Data/Array/Internal/Shape.hs
+++ b/Data/Array/Internal/Shape.hs
@@ -14,6 +14,7 @@
 
 {-# LANGUAGE AllowAmbiguousTypes #-}
 {-# LANGUAGE DataKinds #-}
+{-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE FlexibleInstances #-}
 {-# LANGUAGE FunctionalDependencies #-}
 {-# LANGUAGE GADTs #-}
diff --git a/Setup.hs b/Setup.hs
deleted file mode 100644
--- a/Setup.hs
+++ /dev/null
@@ -1,2 +0,0 @@
-import Distribution.Simple
-main = defaultMain
diff --git a/orthotope.cabal b/orthotope.cabal
--- a/orthotope.cabal
+++ b/orthotope.cabal
@@ -1,5 +1,5 @@
 name:                orthotope
-version:             0.1.0.0
+version:             0.1.0.1
 synopsis:            Multidimensional arrays inspired by APL
 license:             Apache
 license-file:        LICENSE
@@ -54,7 +54,7 @@
                      , Data.Array.Internal.ShapedS
                      , Data.Array.Internal.ShapedU
 
-  build-depends:       base >= 4.14 && < 4.15
+  build-depends:       base >= 4.10 && < 4.17
                      , deepseq
                      , dlist
                      , pretty