diff --git a/MultipletCombiner.cabal b/MultipletCombiner.cabal
--- a/MultipletCombiner.cabal
+++ b/MultipletCombiner.cabal
@@ -5,7 +5,7 @@
 -- see: https://github.com/sol/hpack
 
 name:           MultipletCombiner
-version:        0.0.2
+version:        0.0.3
 synopsis:       A Haskell implementation for combining SU(n) multiplets.
 description:    See README at <https://github.com/mdrslmr/MultipletCombiner>
 category:       physics,library,science,math,groups
@@ -32,7 +32,7 @@
       src
   build-depends:
       HUnit ==1.6.2.0
-    , base >=4.9 && <4.16
+    , base >=4.9 && <5
   default-language: Haskell2010
 
 test-suite spec
@@ -46,5 +46,5 @@
       tests
   build-depends:
       HUnit ==1.6.2.0
-    , base >=4.9 && <4.16
+    , base >=4.9 && <5
   default-language: Haskell2010
diff --git a/Setup.lhs b/Setup.lhs
new file mode 100644
--- /dev/null
+++ b/Setup.lhs
@@ -0,0 +1,3 @@
+#!/usr/bin/env runhaskell
+> import Distribution.Simple
+> main = defaultMain