diff --git a/lib/Prelate/App.hs b/lib/Prelate/App.hs
--- a/lib/Prelate/App.hs
+++ b/lib/Prelate/App.hs
@@ -16,6 +16,7 @@
 import Incipit
 import Log (Severity (Info), interpretLogStderrLevelConc)
 import Polysemy.Chronos (ChronosTime, interpretTimeChronos)
+import System.Exit (exitFailure)
 import System.IO (stderr)
 
 -- | The default stack for a Prelate app.
@@ -32,6 +33,11 @@
 printError msg =
   Text.hPutStrLn stderr ("Error: " <> msg)
 
+exitError :: Text -> IO a
+exitError msg = do
+  printError msg
+  exitFailure
+
 -- | Run the default 'AppStack' with the specified log level and return a potential error as 'Left'.
 runAppLevelE ::
   Severity ->
@@ -45,16 +51,17 @@
   interpretLogStderrLevelConc (Just level) .
   interpretTimeChronos
 
--- | Run the default 'AppStack' with the specified log level and print an potential error to stderr.
+-- | Run the default 'AppStack' with the specified log level and print a potential error to stderr, exiting with failure
+-- code.
 runAppLevel ::
   Severity ->
-  Sem AppStack () ->
-  IO ()
+  Sem AppStack a ->
+  IO a
 runAppLevel level =
-  leftA printError <=< runAppLevelE level
+  leftA exitError <=< runAppLevelE level
 
--- | Run the default 'AppStack' and print an potential error to stderr.
-runApp :: Sem AppStack () -> IO ()
+-- | Run the default 'AppStack' and print an potential error to stderr, exiting with failure code.
+runApp :: Sem AppStack a -> IO a
 runApp =
   runAppLevel Info
 
diff --git a/prelate.cabal b/prelate.cabal
--- a/prelate.cabal
+++ b/prelate.cabal
@@ -1,11 +1,11 @@
 cabal-version: 2.2
 
--- This file has been generated from package.yaml by hpack version 0.35.0.
+-- This file has been generated from package.yaml by hpack version 0.35.2.
 --
 -- see: https://github.com/sol/hpack
 
 name:           prelate
-version:        0.5.1.0
+version:        0.6.0.0
 synopsis:       A Prelude
 description:    See https://hackage.haskell.org/package/prelate/docs/Prelate.html
 category:       Prelude
@@ -13,10 +13,12 @@
 bug-reports:    https://github.com/tek/prelate/issues
 author:         Torsten Schmits
 maintainer:     hackage@tryp.io
-copyright:      2022 Torsten Schmits
+copyright:      2023 Torsten Schmits
 license:        BSD-2-Clause-Patent
 license-file:   LICENSE
 build-type:     Simple
+extra-source-files:
+    readme.md
 
 source-repository head
   type: git
@@ -34,6 +36,10 @@
       Prelate.Json
       Prelate.Prelude
       Process
+  other-modules:
+      Paths_prelate
+  autogen-modules:
+      Paths_prelate
   reexported-modules:
       Control.Concurrent.STM
     , Control.Concurrent.STM.TArray
@@ -79,78 +85,79 @@
     , Queue
     , Sync
     , Time
+    , Zeugma
   hs-source-dirs:
       lib
   default-extensions:
       AllowAmbiguousTypes
       ApplicativeDo
-      BangPatterns
-      BinaryLiterals
       BlockArguments
-      ConstraintKinds
       DataKinds
       DefaultSignatures
       DeriveAnyClass
-      DeriveDataTypeable
-      DeriveFoldable
-      DeriveFunctor
-      DeriveGeneric
-      DeriveLift
-      DeriveTraversable
       DerivingStrategies
       DerivingVia
       DisambiguateRecordFields
-      DoAndIfThenElse
       DuplicateRecordFields
-      EmptyCase
-      EmptyDataDecls
-      ExistentialQuantification
-      FlexibleContexts
-      FlexibleInstances
       FunctionalDependencies
       GADTs
-      GeneralizedNewtypeDeriving
-      InstanceSigs
-      KindSignatures
       LambdaCase
       LiberalTypeSynonyms
-      MultiParamTypeClasses
       MultiWayIf
-      NamedFieldPuns
       OverloadedLabels
       OverloadedLists
       OverloadedStrings
       PackageImports
       PartialTypeSignatures
-      PatternGuards
       PatternSynonyms
-      PolyKinds
       QuantifiedConstraints
       QuasiQuotes
-      RankNTypes
       RecordWildCards
       RecursiveDo
       RoleAnnotations
-      ScopedTypeVariables
-      StandaloneDeriving
       TemplateHaskell
-      TupleSections
-      TypeApplications
       TypeFamilies
       TypeFamilyDependencies
-      TypeOperators
-      TypeSynonymInstances
       UndecidableInstances
       UnicodeSyntax
       ViewPatterns
-  ghc-options: -Wall -Wredundant-constraints -Wincomplete-uni-patterns -Wmissing-deriving-strategies -Widentities -Wunused-packages
+      BangPatterns
+      BinaryLiterals
+      ConstraintKinds
+      DeriveDataTypeable
+      DeriveFoldable
+      DeriveFunctor
+      DeriveGeneric
+      DeriveLift
+      DeriveTraversable
+      DoAndIfThenElse
+      EmptyCase
+      EmptyDataDecls
+      ExistentialQuantification
+      FlexibleContexts
+      FlexibleInstances
+      GeneralizedNewtypeDeriving
+      InstanceSigs
+      KindSignatures
+      MultiParamTypeClasses
+      NamedFieldPuns
+      PatternGuards
+      PolyKinds
+      RankNTypes
+      ScopedTypeVariables
+      StandaloneDeriving
+      TupleSections
+      TypeApplications
+      TypeOperators
+      TypeSynonymInstances
+  ghc-options: -Wall -Widentities -Wincomplete-uni-patterns -Wmissing-deriving-strategies -Wredundant-constraints -Wunused-type-patterns -Wunused-packages
   build-depends:
       aeson >=2.0
     , base >=4.13 && <4.18
     , exon ==1.4.*
     , extra >=1.7.10 && <1.8
     , generic-lens >=2.2
-    , incipit ==0.7.*
+    , incipit ==0.8.*
     , microlens ==0.4.*
     , microlens-ghc ==0.4.*
     , polysemy-chronos ==0.6.*
@@ -160,4 +167,5 @@
     , polysemy-resume ==0.7.*
     , polysemy-time ==0.6.*
     , template-haskell
+    , zeugma ==0.8.*
   default-language: Haskell2010
diff --git a/readme.md b/readme.md
new file mode 100644
--- /dev/null
+++ b/readme.md
@@ -0,0 +1,5 @@
+# About
+
+A `Prelude` based on [incipit].
+
+[incipit]: https://hackage.haskell.org/package/incipit