Index: b/monads-tf.cabal
===================================================================
--- a/monads-tf.cabal
+++ b/monads-tf.cabal
@@ -2,6 +2,7 @@ cabal-version: 3.0
 
 name:         monads-tf
 version:      0.3.0.1
+x-revision:   2
 license:      BSD-3-Clause
 license-file: LICENSE
 author:       Andy Gill
@@ -16,6 +17,14 @@ description:
 
 extra-source-files: *.md
 
+tested-with:
+   GHC == 9.12.0
+   GHC == 9.10.1
+   GHC == 9.8.2
+   GHC == 9.6.6
+   GHC == 9.4.8
+   GHC == 9.2.8
+
 library
   exposed-modules:
     Control.Monad.Cont
@@ -39,7 +48,7 @@ library
     Control.Monad.Writer.Lazy
     Control.Monad.Writer.Strict
   build-depends:
-    , base ^>= 4.16 || ^>= 4.17 || ^>= 4.18
+    , base ^>= 4.16 || ^>= 4.17 || ^>= 4.18 || ^>= 4.19 || ^>= 4.20 || ^>= 4.21
     , transformers ^>= 0.5.6 || ^>= 0.6
   default-extensions:
     TypeFamilies
