diff --git a/keys.cabal b/keys.cabal
--- a/keys.cabal
+++ b/keys.cabal
@@ -1,6 +1,6 @@
 name:          keys
 category:      Data Structures, Containers
-version:       1.8.0.2
+version:       2.0
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -22,12 +22,12 @@
     array >= 0.3.0.2 && < 0.4,
     base >= 4 && < 5,
     containers >= 0.3 && < 0.5,
-    semigroups >= 0.6 && < 0.7,
-    semigroupoids >= 1.2.2 && < 1.3,
     transformers >= 0.2.0 && < 0.3,
-    comonad-transformers >= 1.8 && < 1.9,
-    comonads-fd >= 1.8 && < 1.9,
-    free >= 1.8 && < 1.9
+    semigroups >= 0.7.1 && < 0.8,
+    semigroupoids >= 1.2.4 && < 1.3,
+    comonad-transformers >= 2.0 && < 2.1,
+    comonads-fd >= 2.0 && < 2.1,
+    free >= 2.0 && < 2.1
 
   exposed-modules:
     Data.Key