diff --git a/changelog.md b/changelog.md
--- a/changelog.md
+++ b/changelog.md
@@ -1,4 +1,4 @@
-# Unreleased
+# 0.6.0.0
 
 # 0.4.1.0
 
diff --git a/incipit-core.cabal b/incipit-core.cabal
--- a/incipit-core.cabal
+++ b/incipit-core.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:           incipit-core
-version:        0.5.1.0
+version:        0.6.0.0
 synopsis:       A Prelude for Polysemy
 description:    See https://hackage.haskell.org/package/incipit-core/docs/IncipitCore.html
 category:       Prelude
@@ -62,6 +62,7 @@
   hs-source-dirs:
       lib
   default-extensions:
+      NoImplicitPrelude
       AllowAmbiguousTypes
       ApplicativeDo
       BlockArguments
@@ -76,6 +77,7 @@
       GADTs
       LambdaCase
       LiberalTypeSynonyms
+      MonadComprehensions
       MultiWayIf
       OverloadedLabels
       OverloadedLists
@@ -94,39 +96,11 @@
       UndecidableInstances
       UnicodeSyntax
       ViewPatterns
-      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
-      NoImplicitPrelude
+      OverloadedRecordDot
+      NoFieldSelectors
   ghc-options: -Wall -Widentities -Wincomplete-uni-patterns -Wmissing-deriving-strategies -Wredundant-constraints -Wunused-type-patterns -Wunused-packages
   build-depends:
-      base >=4.13 && <4.19
-    , incipit-base ==0.5.1.0
-    , polysemy >=1.6 && <2
-  default-language: Haskell2010
+      base >=4.13 && <4.20
+    , incipit-base ==0.6.0.0
+    , polysemy >=1.6 && <1.10
+  default-language: GHC2021