diff --git a/Data/Stream/Future/Skew.hs b/Data/Stream/Future/Skew.hs
--- a/Data/Stream/Future/Skew.hs
+++ b/Data/Stream/Future/Skew.hs
@@ -49,10 +49,8 @@
 import Control.Applicative hiding (empty)
 import Control.Comonad
 import Data.Functor.Alt
-import Data.Functor.Apply
 import Data.Foldable hiding (toList)
 import Data.Traversable (Traversable, traverse)
-import qualified Data.Traversable as Traversable
 import Data.Semigroup hiding (Last)
 import Data.Semigroup.Foldable
 import Data.Semigroup.Traversable
diff --git a/Data/Stream/Infinite/Skew.hs b/Data/Stream/Infinite/Skew.hs
--- a/Data/Stream/Infinite/Skew.hs
+++ b/Data/Stream/Infinite/Skew.hs
@@ -47,10 +47,8 @@
 import Control.Comonad
 import Data.Distributive
 import Data.Functor.Alt
-import Data.Functor.Apply
 import Data.Foldable hiding (toList)
-import Data.Traversable (Traversable, traverse)
-import qualified Data.Traversable as Traversable
+import Data.Traversable
 import Data.Semigroup hiding (Last)
 import Data.Semigroup.Foldable
 import Data.Semigroup.Traversable
diff --git a/streams.cabal b/streams.cabal
--- a/streams.cabal
+++ b/streams.cabal
@@ -1,6 +1,6 @@
 name:          streams
 category:      Control, Comonads
-version:       0.8.1
+version:       0.8.2
 license:       BSD3
 cabal-version: >= 1.6
 license-file:  LICENSE
@@ -80,11 +80,11 @@
     BangPatterns
 
   build-depends:
-    base >= 4 && < 5,
-    comonad >= 1.1.1 && < 1.2,
-    distributive >= 0.2 && < 0.3,
-    semigroupoids >= 1.2.4 && < 1.3, 
-    semigroups >= 0.8 && < 0.9
+    base          >= 4       && < 5,
+    comonad       >= 1.1.1.3 && < 1.2,
+    distributive  >= 0.2.1   && < 0.3,
+    semigroupoids >= 1.3     && < 1.4,
+    semigroups    >= 0.8.2   && < 0.9
 
   extensions: CPP
   if impl(ghc)