diff --git a/commandert.cabal b/commandert.cabal
--- a/commandert.cabal
+++ b/commandert.cabal
@@ -1,7 +1,7 @@
 cabal-version:       2.4
 
 name:                commandert
-version:             0.1.1.0
+version:             0.1.1.1
 synopsis:            A monad for commanders
 description:         A monad for commanders.
 homepage:            https://github.com/SamuelSchlesinger/commander
@@ -21,7 +21,7 @@
 
 library
   exposed-modules:     Control.Monad.Commander
-  build-depends:       base >=4.12 && < 4.16,
+  build-depends:       base >=4.12 && <5,
                        mtl >=2.2,
   hs-source-dirs:      src
   default-language:    Haskell2010
@@ -30,7 +30,7 @@
   type:                exitcode-stdio-1.0
   hs-source-dirs:      test
   main-is:             Test.hs
-  build-depends:       base >=4.12 && <4.16,
+  build-depends:       base >=4.12 && < 5,
                        hspec >=2.7.4,
                        mtl >=1.0,
                        commandert