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:       2.1.2
+version:       2.1.3
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -18,16 +18,16 @@
   location: git://github.com/ekmett/keys.git
 
 library
-  build-depends: 
+  build-depends:
     array                >= 0.3.0.2 && < 0.5,
     base                 >= 4       && < 5,
     containers           >= 0.3     && < 0.5,
-    transformers         >= 0.2.0   && < 0.3,
-    semigroups           >= 0.8     && < 0.9,
-    semigroupoids        >= 1.2.6.1 && < 1.3,
-    comonad-transformers >= 2.0.3   && < 2.1,
-    comonads-fd          >= 2.0.2.1 && < 2.1,
-    free                 >= 2.0.3   && < 2.1
+    transformers         >= 0.2     && < 0.4,
+    semigroups           >= 0.8.2   && < 0.9,
+    semigroupoids        >= 1.3     && < 1.4,
+    comonad-transformers >= 2.1     && < 2.2,
+    comonads-fd          >= 2.1     && < 2.2,
+    free                 >= 2.1     && < 2.2
 
   exposed-modules:
     Data.Key