diff --git a/free.cabal b/free.cabal
--- a/free.cabal
+++ b/free.cabal
@@ -1,6 +1,6 @@
 name:          free
 category:      Control, Monads
-version:       1.8.0.4
+version:       2.0
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -29,11 +29,11 @@
     distributive >= 0.2 && < 0.3,
     transformers >= 0.2.0 && <= 0.3,
     mtl >= 2.0.1.0 && < 2.1,
-    semigroupoids >= 1.2.2 && <= 1.3,
-    comonad >= 1.1 && < 1.2,
-    comonad-transformers >= 1.8 && < 1.9,
-    comonads-fd >= 1.8 && < 1.9,
-    semigroups >= 0.6 && < 0.7
+    semigroupoids >= 1.2.4 && <= 1.3,
+    comonad >= 1.1.1 && < 1.2,
+    comonad-transformers >= 2.0 && < 2.1,
+    comonads-fd >= 2.0 && < 2.1,
+    semigroups >= 0.7.1 && < 0.8
 
   if impl(ghc)
     cpp-options: -DGHC_TYPEABLE