diff --git a/yesod-auth-oauth2.cabal b/yesod-auth-oauth2.cabal
index 4250d32..aef15aa 100644
--- a/yesod-auth-oauth2.cabal
+++ b/yesod-auth-oauth2.cabal
@@ -14,7 +14,16 @@ homepage:        http://github.com/scan/yesod-auth-oauth2
 
 flag ghc7
 
+flag network-uri
+   description: Get Network.URI from the network-uri package
+   default: True
+
 library
+    if flag(network-uri)
+        build-depends: network-uri >= 2.6
+    else
+        build-depends: network < 2.6
+
     if flag(ghc7)
         build-depends:   base                >= 4.3      && < 5
         cpp-options:     -DGHC7
@@ -26,6 +35,7 @@ library
                    , http-types              >= 0.8       && < 0.9
                    , aeson                   >= 0.6       && < 0.8
                    , yesod-core              >= 1.2       && < 1.4
+                   , authenticate            >= 1.3.2.7   && < 1.4
                    , yesod-auth              >= 1.3       && < 1.4
                    , text                    >= 0.7       && < 2.0
                    , yesod-form              >= 1.3       && < 1.4