diff --git a/network-uri-lenses.cabal b/network-uri-lenses.cabal
--- a/network-uri-lenses.cabal
+++ b/network-uri-lenses.cabal
@@ -2,10 +2,10 @@
 --
 -- see: https://github.com/sol/hpack
 --
--- hash: 2b1fbe44f1172d1b1073641815a5b70101548418f23246cdcd7f08aec05d2997
+-- hash: 69a0a6c149209fda674c56d22a921d69e02d5a4e47fc8fee98313d4ecf5c5513
 
 name:           network-uri-lenses
-version:        0.2.0.0
+version:        0.2.1.0
 synopsis:       Lenses for network-uri
 description:    Please see the README on GitHub at <https://github.com/githubuser/network-uri-lenses#readme>
 category:       Network
@@ -35,6 +35,5 @@
       src
   build-depends:
       base >=4.7 && <5
-    , lens
-    , network-uri
+    , network-uri >=2.6 && <2.7
   default-language: Haskell2010
diff --git a/src/Network/URI/Lens.hs b/src/Network/URI/Lens.hs
--- a/src/Network/URI/Lens.hs
+++ b/src/Network/URI/Lens.hs
@@ -1,3 +1,4 @@
+{-# LANGUAGE Rank2Types #-}
 -- | Network uri lenses
 module Network.URI.Lens
   ( regNameLens
@@ -10,8 +11,13 @@
   , uriFragmentLens
   ) where
 
-import           Control.Lens
 import           Network.URI
+
+type Lens' s a = Lens s s a a
+type Lens s t a b = forall f. Functor f => (a -> f b) -> s -> f t
+
+lens :: (s -> a) -> (s -> b -> t) -> Lens s t a b
+lens sa sbt afb s = sbt s <$> afb (sa s)
 
 regNameLens :: Lens' URIAuth String
 regNameLens = lens uriRegName (\parent newVal -> parent {uriRegName = newVal})