diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.0.0.1
+
+- Drop `base-compat` dependency
+
 # 1
 
 Split out of `these` package.
diff --git a/src/Data/These/Lens.hs b/src/Data/These/Lens.hs
--- a/src/Data/These/Lens.hs
+++ b/src/Data/These/Lens.hs
@@ -1,4 +1,4 @@
-{-# LANGUAGE Trustworthy        #-}
+{-# LANGUAGE Trustworthy #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 module Data.These.Lens (
     -- * Traversals
@@ -8,10 +8,10 @@
     _This, _That, _These,
     ) where
 
-import Prelude ()
-import Prelude.Compat
+import Control.Applicative (pure, (<$>))
+import Prelude             (Either (..), flip, uncurry, ($), (.))
 
-import Control.Lens        (Prism', Traversal, Swapped (..), iso, prism)
+import Control.Lens           (Prism', Swapped (..), Traversal, iso, prism)
 import Data.These
 import Data.These.Combinators (swapThese)
 
diff --git a/these-lens.cabal b/these-lens.cabal
--- a/these-lens.cabal
+++ b/these-lens.cabal
@@ -1,6 +1,6 @@
 cabal-version:      >=1.10
 name:               these-lens
-version:            1
+version:            1.0.0.1
 synopsis:           Lenses for These
 homepage:           https://github.com/isomorphism/these
 license:            BSD3
@@ -12,7 +12,17 @@
 extra-source-files: CHANGELOG.md
 description:        This package provides Prism and Traversals for @These@.
 tested-with:
-  GHC ==7.4.2 || ==7.6.3 || ==7.8.4 || ==7.10.3 || ==8.0.2 || ==8.2.2 || ==8.4.4 || ==8.6.5 || ==8.8.1
+    GHC ==7.4.2
+     || ==7.6.3
+     || ==7.8.4
+     || ==7.10.3
+     || ==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
@@ -29,10 +39,8 @@
   exposed-modules:  Data.These.Lens
 
   -- ghc boot libs
-  build-depends:    base >=4.5.1.0 && <4.13
-  build-depends:    these >=1 && <1.1
+  build-depends:    base >=4.5.1.0 && <4.15
+  build-depends:    these >=1 && <1.2
 
   -- other dependencies
-  build-depends:
-      base-compat  >=0.10.5 && <0.11
-    , lens         >=4.17.1 && <4.18
+  build-depends:    lens >=4.17.1 && <4.20