diff --git a/transformers-either.cabal b/transformers-either.cabal
--- a/transformers-either.cabal
+++ b/transformers-either.cabal
@@ -1,5 +1,5 @@
 name:                  transformers-either
-version:               0.1.0
+version:               0.1.1
 license:               BSD3
 license-file:          LICENSE
 author:                Tim McGilchrist <timmcgil@gmail.com>
@@ -9,6 +9,7 @@
 category:              System
 cabal-version:         >= 1.8
 build-type:            Simple
+tested-with:           GHC == 8.4.2, GHC == 8.2.2, GHC == 8.0.2, GHC == 7.10.3
 description:
             Drop in alternative to ExceptT.
 
@@ -22,9 +23,9 @@
 
 library
   build-depends:
-                       base                            >= 3          && < 5
+                       base                            >= 4.8        && < 5
                      , text                            == 1.2.*
-                     , exceptions                      >= 0.6        && < 0.9
+                     , exceptions                      >= 0.6        && < 0.11
                      , transformers                    >= 0.4        && < 0.6
 
   ghc-options: