diff --git a/recursion-schemes.cabal b/recursion-schemes.cabal
--- a/recursion-schemes.cabal
+++ b/recursion-schemes.cabal
@@ -1,6 +1,6 @@
 name:          recursion-schemes
 category:      Control, Recursion
-version:       1.8.0.2
+version:       2.0
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -55,11 +55,11 @@
     UndecidableInstances
 
   build-depends: 
-    base >= 4 && < 5,
-    transformers >= 0.2 && < 0.3,
-    comonad >= 1.1 && < 1.2,
-    comonad-transformers >= 1.8 && < 1.9,
-    free >= 1.8 && < 1.9
+    base                 >= 4 && < 5,
+    transformers         >= 0.2 && < 0.3,
+    comonad              >= 1.1.1 && < 1.2,
+    comonad-transformers >= 2.0 && < 2.1,
+    free                 >= 2.0 && < 2.1
 
   exposed-modules:
     Data.Functor.Foldable