diff --git a/polysoup.cabal b/polysoup.cabal
--- a/polysoup.cabal
+++ b/polysoup.cabal
@@ -1,5 +1,5 @@
 name:               polysoup
-version:            0.6
+version:            0.6.1
 synopsis:           Online XML parsing with polyparse and tagsoup
 description:
     The library provides combinators for lazy, incremental XML parsing.
@@ -28,7 +28,7 @@
     build-depends:
         base            >= 4        && < 5
       , containers      >= 0.4      && < 0.6
-      , tagsoup         >= 0.12     && < 0.14
+      , tagsoup         >= 0.13.4   && < 0.14
       , polyparse       >= 1.9      && < 1.12
       , deepseq         >= 1.3      && < 1.4
 
diff --git a/src/Text/XML/PolySoup/Tag.hs b/src/Text/XML/PolySoup/Tag.hs
--- a/src/Text/XML/PolySoup/Tag.hs
+++ b/src/Text/XML/PolySoup/Tag.hs
@@ -154,7 +154,7 @@
 justSatisfy = maybe False
 
 
--- | Test if a tag is a comment.
-isTagComment :: Tag s -> Bool
-isTagComment (TagComment _) = True
-isTagComment _ = False
+-- -- | Test if a tag is a comment.
+-- isTagComment :: Tag s -> Bool
+-- isTagComment (TagComment _) = True
+-- isTagComment _ = False