diff --git a/comonad-transformers.cabal b/comonad-transformers.cabal
--- a/comonad-transformers.cabal
+++ b/comonad-transformers.cabal
@@ -1,6 +1,6 @@
 name:          comonad-transformers
 category:      Control, Comonads
-version:       2.1
+version:       2.1.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -28,10 +28,10 @@
     comonad       >= 1.1.1.3 && < 1.2,
     containers    >= 0.3     && < 0.5,
     contravariant >= 0.2.0.1 && < 0.3,
-    distributive  >= 0.2.1   && < 0.3,
-    semigroupoids >= 1.3     && < 1.4,
+    distributive  >= 0.2.2   && < 0.3,
+    semigroupoids >= 1.3.1   && < 1.4,
     semigroups    >= 0.8.2   && < 0.9,
-    transformers  >= 0.3     && < 0.4
+    transformers  >= 0.2     && < 0.4
 
   if flag(DeriveDataTypeable)
     extensions: DeriveDataTypeable