diff --git a/Data/Compressed/Internal/LZ78.hs b/Data/Compressed/Internal/LZ78.hs
--- a/Data/Compressed/Internal/LZ78.hs
+++ b/Data/Compressed/Internal/LZ78.hs
@@ -45,7 +45,6 @@
 import qualified Data.List as List
 import Data.Generator
 import Data.Function (on)
-import Data.Functor
 import Data.Key as Key
 import Data.Foldable
 import Data.Traversable
diff --git a/compressed.cabal b/compressed.cabal
--- a/compressed.cabal
+++ b/compressed.cabal
@@ -1,6 +1,6 @@
 name:          compressed
 category:      Data, Compression, MapReduce
-version:       0.1.4
+version:       0.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -24,13 +24,13 @@
     containers             >= 0.3      && < 0.5,
     fingertree             >= 0.0.1    && < 0.1,
     hashable               >= 1.1.2.1  && < 1.2,
-    unordered-containers   >= 0.1.4    && < 0.2,
-    semigroups             >= 0.8      && < 0.9,
-    semigroupoids          >= 1.2.2.4  && < 1.3,
-    comonad                >= 1.1.1    && < 1.2,
-    pointed                >= 2.0      && < 2.1,
+    unordered-containers   >= 0.2.1    && < 0.3,
+    semigroups             >= 0.8.2    && < 0.9,
+    semigroupoids          >= 1.3      && < 1.4,
+    comonad                >= 1.1.1.3  && < 1.2,
+    pointed                >= 2.1      && < 2.2,
     keys                   >= 2.1      && < 2.2,
-    reducers               >= 0.1.4    && < 0.2
+    reducers               >= 0.2      && < 0.3
 
   exposed-modules:
     Data.Compressed.LZ78