diff --git a/non-empty-zipper.cabal b/non-empty-zipper.cabal
--- a/non-empty-zipper.cabal
+++ b/non-empty-zipper.cabal
@@ -1,5 +1,5 @@
 name:                non-empty-zipper
-version:             0.1.0.8
+version:             0.1.0.9
 synopsis:            The Zipper for NonEmpty
 description:         The Zipper for NonEmpty. Useful for things like tabs,
                      button groups, and slideshows. Basically any case in which
@@ -14,6 +14,7 @@
 build-type:          Simple
 extra-source-files:  ChangeLog.md
 cabal-version:       >=1.10
+tested-with:         GHC == 8.4.1, GHC == 8.2.2, GHC == 8.0.2
 
 source-repository head
   type: git
@@ -23,7 +24,7 @@
   exposed-modules:   Data.List.NonEmptyZipper
   -- other-modules:
   -- other-extensions:
-  build-depends:       base >=4.9 && <4.10
+  build-depends:       base >=4.9 && <4.12
   -- hs-source-dirs:
   default-language:    Haskell2010