diff --git a/half-space.cabal b/half-space.cabal
--- a/half-space.cabal
+++ b/half-space.cabal
@@ -4,7 +4,7 @@
 -- http://haskell.org/cabal/users-guide/
 
 name:                half-space
-version:             0.1.0.0
+version:             0.1.1.0
 synopsis:            Additive monoids generalising vector spaces
 -- description:
 homepage:            https://github.com/leftaroundabout/manifolds
@@ -22,10 +22,10 @@
   exposed-modules:     Data.Monoid.Additive
   -- other-modules:
   other-extensions:    FlexibleInstances, UndecidableInstances, TypeFamilies, FlexibleContexts, GADTs, DefaultSignatures, DeriveGeneric, StandaloneDeriving, ConstraintKinds, UnicodeSyntax, ScopedTypeVariables, AllowAmbiguousTypes, TypeApplications, RankNTypes, EmptyCase, TypeOperators, TypeInType, CPP
-  build-depends:       base >=4.10 && <4.15
+  build-depends:       base >=4.10 && <4.19
                        , vector-space >=0.16 && <0.17
                        , manifolds-core >=0.6 && <0.7
                        , equational-reasoning >=0.7 && <0.8
-                       , call-stack >=0.4 && <0.5
+                       , call-stack >=0.3 && <0.5
   -- hs-source-dirs:
   default-language:    Haskell2010