diff --git a/data-lens.cabal b/data-lens.cabal
--- a/data-lens.cabal
+++ b/data-lens.cabal
@@ -1,6 +1,6 @@
 name:          data-lens
 category:      Control, Comonads
-version:       1.8.0.3
+version:       2.0.0
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -25,12 +25,11 @@
   build-depends: 
     base >= 4 && < 5,
     comonad >= 1.1 && < 1.2,
-    comonad-transformers >= 1.8 && < 1.9,
+    comonad-transformers >= 2.0 && < 2.1,
     containers >= 0.3 && < 0.5,
     contravariant >= 0.1.2 && < 0.2,
     distributive >= 0.2 && < 0.3,
-    semigroupoids >= 1.2.2 && < 1.3,
-    semigroups >= 0.6 && < 0.7,
+    semigroupoids >= 1.2.4 && < 1.3,
     transformers >= 0.2.0 && <= 0.3
 
   if flag(DeriveDataTypeable)