diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.0.1
+
+- Add `Each These` instance
+
 # 1
 
 Split out of `these` package.
diff --git a/src/Data/These/Optics.hs b/src/Data/These/Optics.hs
--- a/src/Data/These/Optics.hs
+++ b/src/Data/These/Optics.hs
@@ -1,4 +1,8 @@
-{-# LANGUAGE Trustworthy #-}
+{-# LANGUAGE FlexibleInstances     #-}
+{-# LANGUAGE MultiParamTypeClasses #-}
+{-# LANGUAGE Trustworthy           #-}
+{-# LANGUAGE TypeFamilies          #-}
+{-# LANGUAGE UndecidableInstances  #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 module Data.These.Optics (
     -- * Affine traversals
@@ -11,7 +15,8 @@
 import Data.These
 import Data.These.Combinators (swapThese)
 import Optics.Core
-       (AffineTraversal, Prism', Swapped (..), atraversalVL, iso, prism)
+       (AffineTraversal, Each (..), Prism', Swapped (..), atraversalVL, iso,
+       itraversalVL, prism)
 
 -- $setup
 -- >>> import Optics.Core
@@ -76,3 +81,10 @@
 
 instance Swapped These where
     swapped = iso swapThese swapThese
+
+-- | @since 1.0.1
+instance (a ~ a', b ~ b') => Each (Either () ()) (These a a') (These b b') a b where
+    each = itraversalVL aux where
+        aux f (This a)    = This <$> f (Left ()) a
+        aux f (That b)    = This <$> f (Right ()) b
+        aux f (These a b) = These <$> f (Left ()) a <*> f (Right ()) b
diff --git a/these-optics.cabal b/these-optics.cabal
--- a/these-optics.cabal
+++ b/these-optics.cabal
@@ -1,6 +1,6 @@
 cabal-version:      >=1.10
 name:               these-optics
-version:            1
+version:            1.0.1
 synopsis:           Optics for These
 homepage:           https://github.com/isomorphism/these
 license:            BSD3
@@ -11,7 +11,9 @@
 build-type:         Simple
 extra-source-files: CHANGELOG.md
 description:        This package provides Prism and Traversals for @These@.
-tested-with:        GHC ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || ==8.8.1
+tested-with:
+    GHC ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || ==8.8.3 || ==8.10.1
+  , GHCJS ==8.4
 
 source-repository head
   type:     git
@@ -28,11 +30,10 @@
   exposed-modules:  Data.These.Optics
 
   -- ghc boot libs
-  build-depends:    base >=4.9 && <4.13
+  build-depends:    base >=4.9 && <4.15
 
   -- these
-  build-depends:    these >=1 && <1.1
+  build-depends:    these >=1 && <1.2
 
   -- other dependencies
-  build-depends:
-    optics-core      >=0.1    && <0.2
+  build-depends:    optics-core >=0.1 && <0.4