diff --git a/src/Text/PrettyPrint/Annotated/WL.hs b/src/Text/PrettyPrint/Annotated/WL.hs
--- a/src/Text/PrettyPrint/Annotated/WL.hs
+++ b/src/Text/PrettyPrint/Annotated/WL.hs
@@ -342,7 +342,6 @@
   (<>) = Cat
 
 instance Monoid (Doc a) where
-  mappend = Cat
   mempty = Empty
   mconcat = hcat
 
diff --git a/wl-pprint-annotated.cabal b/wl-pprint-annotated.cabal
--- a/wl-pprint-annotated.cabal
+++ b/wl-pprint-annotated.cabal
@@ -1,67 +1,61 @@
--- This file has been generated from package.yaml by hpack version 0.28.2.
---
--- see: https://github.com/sol/hpack
---
--- hash: 456188a057c4e34f6769dab99fc89329114f7149df4168c3485402e7a66bb298
-
-name:          wl-pprint-annotated
-category:      Text
-version:       0.1.0.1
-synopsis:      Pretty printer with annotation support
-cabal-version: >= 1.10
-license:       BSD3
-license-file:  LICENSE
-tested-with:   GHC == 7.10.3, GHC == 8.0.1, GHC == 8.2.1, GHC == 8.4.3, GHC == 8.6.1
-author:        Daniel Mendler <mail@daniel-mendler.de>
-maintainer:    Daniel Mendler <mail@daniel-mendler.de>
-stability:     experimental
-homepage:      https://github.com/minad/wl-pprint-annotated#readme
-bug-reports:   https://github.com/minad/wl-pprint-annotated/issues
-copyright:     2011-2012 Edward A. Kmett, 2000 Daan Leijen
-description:   Wadler/Leijen pretty printer with support for annotations and modernized API. Annotations are useful for coloring. See wl-pprint-console.
-build-type:    Simple
-
-source-repository head
-  type: git
-  location: https://github.com/minad/wl-pprint-annotated
-
-library
-  hs-source-dirs:
-    src
-  default-extensions: FlexibleInstances TypeSynonymInstances DeriveFunctor DeriveFoldable DeriveTraversable DeriveGeneric DefaultSignatures
-  ghc-options: -Wall
-  build-depends:
-    base >=4.8 && <5,
-    containers >=0.4 && <0.7,
-    deepseq >=1.4 && <1.6,
-    text >=0.11 && <1.3
-  if impl(ghc < 8.0)
-    build-depends:
-      semigroups >=0.9 && <1
-  exposed-modules:
-    Text.PrettyPrint.Annotated.WL
-  other-modules:
-    Paths_wl_pprint_annotated
-  default-language: Haskell2010
-
-test-suite wl-pprint
-  type: exitcode-stdio-1.0
-  main-is: WLPPrintTests.hs
-  other-modules:
-    Paths_wl_pprint_annotated
-  hs-source-dirs:
-    test
-  default-extensions: FlexibleInstances TypeSynonymInstances DeriveFunctor DeriveFoldable DeriveTraversable DeriveGeneric DefaultSignatures
-  ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N
-  build-depends:
-    base >=4.8 && <5,
-    containers >=0.4 && <0.7,
-    deepseq >=1.4 && <1.6,
-    tasty,
-    tasty-hunit,
-    text >=0.11 && <1.3,
-    wl-pprint-annotated
-  if impl(ghc < 8.0)
-    build-depends:
-      semigroups >=0.9 && <1
-  default-language: Haskell2010
+-- This file has been generated from package.yaml by hpack version 0.28.2.
+--
+-- see: https://github.com/sol/hpack
+--
+-- hash: 456188a057c4e34f6769dab99fc89329114f7149df4168c3485402e7a66bb298
+
+name:          wl-pprint-annotated
+category:      Text
+version:       0.1.0.2
+synopsis:      Pretty printer with annotation support
+cabal-version: >= 1.10
+license:       BSD3
+license-file:  LICENSE
+tested-with:   GHC == 8.10.7, GHC == 9.12.4
+author:        Daniel Mendler <mail@daniel-mendler.de>
+maintainer:    Daniel Mendler <mail@daniel-mendler.de>
+stability:     experimental
+homepage:      https://github.com/minad/wl-pprint-annotated#readme
+bug-reports:   https://github.com/minad/wl-pprint-annotated/issues
+copyright:     2011-2012 Edward A. Kmett, 2000 Daan Leijen
+description:   Wadler/Leijen pretty printer with support for annotations and modernized API. Annotations are useful for coloring. See wl-pprint-console.
+build-type:    Simple
+
+source-repository head
+  type: git
+  location: https://github.com/minad/wl-pprint-annotated
+
+library
+  hs-source-dirs:
+    src
+  default-extensions: FlexibleInstances TypeSynonymInstances DeriveFunctor DeriveFoldable DeriveTraversable DeriveGeneric DefaultSignatures
+  ghc-options: -Wall
+  build-depends:
+    base >=4.11 && <5,
+    containers >=0.4 && <0.9,
+    deepseq >=1.4 && <1.6,
+    text >=0.11 && <2.2
+  exposed-modules:
+    Text.PrettyPrint.Annotated.WL
+  other-modules:
+    Paths_wl_pprint_annotated
+  default-language: Haskell2010
+
+test-suite wl-pprint
+  type: exitcode-stdio-1.0
+  main-is: WLPPrintTests.hs
+  other-modules:
+    Paths_wl_pprint_annotated
+  hs-source-dirs:
+    test
+  default-extensions: FlexibleInstances TypeSynonymInstances DeriveFunctor DeriveFoldable DeriveTraversable DeriveGeneric DefaultSignatures
+  ghc-options: -Wall -threaded -rtsopts -with-rtsopts=-N
+  build-depends:
+    base >=4.11 && <5,
+    containers >=0.4 && <0.9,
+    deepseq >=1.4 && <1.6,
+    tasty,
+    tasty-hunit,
+    text >=0.11 && <2.2,
+    wl-pprint-annotated
+  default-language: Haskell2010