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:       2.1.1.1
+version:       2.1.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -19,15 +19,15 @@
 
 library
   build-depends: 
-    array                >= 0.3.0.2 && < 0.4,
+    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        >= 1.2.5   && < 1.3,
-    comonad-transformers >= 2.0.2   && < 2.1,
-    comonads-fd          >= 2.0.2   && < 2.1,
-    free                 >= 2.0.2   && < 2.1
+    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
 
   exposed-modules:
     Data.Key