diff --git a/either.cabal b/either.cabal
--- a/either.cabal
+++ b/either.cabal
@@ -1,6 +1,6 @@
 name:          either
 category:      Control, Monads
-version:       4.4
+version:       4.4.1
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -34,7 +34,7 @@
     monad-control     >= 0.3.2   && < 1.1,
     MonadRandom       >= 0.1     && < 0.5,
     mtl               >= 2.0     && < 2.3,
-    mmorph            >= 1.0.0   && < 1.0.4,
+    mmorph            >= 1.0.0   && < 1.1,
     profunctors       >= 4       && < 6,
     semigroups        >= 0.8.3.1 && < 1,
     semigroupoids     >= 4       && < 6,