diff --git a/Yesod/Sitemap.hs b/Yesod/Sitemap.hs
--- a/Yesod/Sitemap.hs
+++ b/Yesod/Sitemap.hs
@@ -30,6 +30,7 @@
 import Data.Monoid (mappend)
 import Text.XML
 import Data.Text (Text, pack)
+import qualified Data.Map as Map
 
 data SitemapChangeFreq = Always
                        | Hourly
@@ -66,13 +67,13 @@
     addNS' n = n
     namespace = "http://www.sitemaps.org/schemas/sitemap/0.9"
 
-    root = Element "urlset" [] $ map go urls
+    root = Element "urlset" Map.empty $ map go urls
 
-    go SitemapUrl {..} = NodeElement $ Element "url" [] $ map NodeElement
-        [ Element "loc" [] [NodeContent $ render sitemapLoc]
-        , Element "lastmod" [] [NodeContent $ formatW3 sitemapLastMod]
-        , Element "changefreq" [] [NodeContent $ showFreq sitemapChangeFreq]
-        , Element "priority" [] [NodeContent $ pack $ show sitemapPriority]
+    go SitemapUrl {..} = NodeElement $ Element "url" Map.empty $ map NodeElement
+        [ Element "loc" Map.empty [NodeContent $ render sitemapLoc]
+        , Element "lastmod" Map.empty [NodeContent $ formatW3 sitemapLastMod]
+        , Element "changefreq" Map.empty [NodeContent $ showFreq sitemapChangeFreq]
+        , Element "priority" Map.empty [NodeContent $ pack $ show sitemapPriority]
         ]
 
 sitemap :: [SitemapUrl (Route master)] -> GHandler sub master RepXml
diff --git a/yesod-sitemap.cabal b/yesod-sitemap.cabal
--- a/yesod-sitemap.cabal
+++ b/yesod-sitemap.cabal
@@ -1,5 +1,5 @@
 name:            yesod-sitemap
-version:         1.0.0.1
+version:         1.1.0
 license:         MIT
 license-file:    LICENSE
 author:          Michael Snoyman <michael@snoyman.com>
@@ -14,10 +14,11 @@
 
 library
     build-depends:   base                      >= 4        && < 5
-                   , yesod-core                >= 1.0      && < 1.1
+                   , yesod-core                >= 1.1      && < 1.2
                    , time                      >= 1.1.4
-                   , xml-conduit               >= 0.7      && < 0.8
+                   , xml-conduit               >= 1.0      && < 1.1
                    , text
+                   , containers
     exposed-modules: Yesod.Sitemap
     ghc-options:     -Wall