diff --git a/src/Text/Trifecta/Highlight.hs b/src/Text/Trifecta/Highlight.hs
--- a/src/Text/Trifecta/Highlight.hs
+++ b/src/Text/Trifecta/Highlight.hs
@@ -94,9 +94,9 @@
 instance ToMarkup HighlightedRope where
   toMarkup (HighlightedRope intervals r) = Html5.pre $ go 0 lbs effects where
     lbs = L.fromChunks [bs | Strand bs _ <- F.toList (strands r)]
-    ln no = Html5.a ! name (toValue $ "line-" ++ show no) $ Empty
+    ln no = Html5.a ! name (toValue $ "line-" ++ show no) $ emptyMarkup
     effects = sort $ [ i | (Interval lo hi, tok) <- intersections mempty (delta r) intervals
-                     , i <- [ (Leaf "span" "<span" ">" ! class_ (toValue $ show tok)) :@ bytes lo
+                     , i <- [ (leafMarkup "span" "<span" ">" ! class_ (toValue $ show tok)) :@ bytes lo
                             , preEscapedToHtml ("</span>" :: String) :@ bytes hi
                             ]
                      ] ++ imap (\k i -> ln k :@ i) (L.elemIndices '\n' lbs)
@@ -105,6 +105,14 @@
       | eb <= b = eff >> go b cs es
       | otherwise = unsafeLazyByteString om >> go eb nom es
          where (om,nom) = L.splitAt (fromIntegral (eb - b)) cs
+
+#if MIN_VERSION_blaze_markup(0,8,0)
+    emptyMarkup = Empty ()
+    leafMarkup a b c = Leaf a b c ()
+#else
+    emptyMarkup = Empty
+    leafMarkup a b c = Leaf a b c
+#endif
 
 instance Pretty HighlightedRope where
   pretty (HighlightedRope intervals r) = go mempty lbs boundaries where
diff --git a/trifecta.cabal b/trifecta.cabal
--- a/trifecta.cabal
+++ b/trifecta.cabal
@@ -1,6 +1,6 @@
 name:          trifecta
 category:      Text, Parsing, Diagnostics, Pretty Printer, Logging
-version:       1.6.1
+version:       1.6.2
 license:       BSD3
 cabal-version: >= 1.10
 license-file:  LICENSE
@@ -20,7 +20,7 @@
 
 source-repository head
   type: git
-  location: git://github.com/ekmett/trifecta.git
+  location: https://github.com/ekmett/trifecta
 
 library
   exposed-modules:
@@ -46,8 +46,8 @@
     array                >= 0.3.0.2 && < 0.6,
     base                 >= 4.4     && < 5,
     blaze-builder        >= 0.3.0.1 && < 0.5,
-    blaze-html           >= 0.5     && < 0.9,
-    blaze-markup         >= 0.5     && < 0.8,
+    blaze-html           >= 0.5     && < 0.10,
+    blaze-markup         >= 0.5     && < 0.9,
     bytestring           >= 0.9.1   && < 0.11,
     charset              >= 0.3.5.1 && < 1,
     comonad              >= 4       && < 6,