diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 0.4.13.1
+
+* New patch release (GHC 9.2.1).
+
 # 0.4.13
 
 * New minor release (microlens-0.4.12.0).
diff --git a/microlens-ghc.cabal b/microlens-ghc.cabal
--- a/microlens-ghc.cabal
+++ b/microlens-ghc.cabal
@@ -1,5 +1,5 @@
 name:                microlens-ghc
-version:             0.4.13
+version:             0.4.13.1
 synopsis:            microlens + array, bytestring, containers, transformers
 description:
   Use this package instead of <http://hackage.haskell.org/package/microlens microlens> if you don't mind depending on all dependencies here – @Lens.Micro.GHC@ reexports everything from @Lens.Micro@ and additionally provides orphan instances of microlens classes for packages coming with GHC (<http://hackage.haskell.org/package/array array>, <http://hackage.haskell.org/package/bytestring bytestring>, <http://hackage.haskell.org/package/containers containers>, <http://hackage.haskell.org/package/transfromers transformers>).
@@ -18,16 +18,17 @@
 extra-source-files:
   CHANGELOG.md
 cabal-version:       >=1.10
-tested-with:         GHC==7.4.2
-                     GHC==7.6.3
+tested-with:         GHC==7.6.3
                      GHC==7.8.4
                      GHC==7.10.3
                      GHC==8.0.2
                      GHC==8.2.2
                      GHC==8.4.4
                      GHC==8.6.5
-                     GHC==8.8.1
-                     GHC==8.10.1
+                     GHC==8.8.4
+                     GHC==8.10.7
+                     GHC==9.0.1
+                     GHC==9.2.1
 
 source-repository head
   type:                git
@@ -40,7 +41,7 @@
   -- other-extensions:
   build-depends:       array >=0.3.0.2 && <0.6
                      , base >=4.5 && <5
-                     , bytestring >=0.9.2.1 && <0.11
+                     , bytestring >=0.9.2.1 && <0.12
                      , containers >=0.4.0 && <0.7
                      , microlens ==0.4.12.*
                      , transformers >=0.2 && <0.6
diff --git a/src/Lens/Micro/GHC.hs b/src/Lens/Micro/GHC.hs
--- a/src/Lens/Micro/GHC.hs
+++ b/src/Lens/Micro/GHC.hs
@@ -2,6 +2,7 @@
 {-# LANGUAGE MultiParamTypeClasses #-}
 {-# LANGUAGE TypeFamilies #-}
 {-# LANGUAGE FlexibleInstances #-}
+{-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE UndecidableInstances #-}
 {-# LANGUAGE Trustworthy #-}
 
@@ -21,13 +22,15 @@
 
 * 'at' for 'Map', 'Set', 'IntMap' and 'IntSet'
 
-* 'each' and 'ix' for
+* 'ix' for
 
     * 'Map', 'Set', 'IntMap' and 'IntSet'
     * 'Array' and 'UArray'
     * 'Seq'
     * strict 'B.ByteString' and lazy 'BL.ByteString'
     * 'Tree'
+    
+* 'each' for the same as above, excluding 'Set' and 'IntSet'
 
 * '_head', '_tail', '_init', '_last' for