diff --git a/repr-tree-syb.cabal b/repr-tree-syb.cabal
--- a/repr-tree-syb.cabal
+++ b/repr-tree-syb.cabal
@@ -1,5 +1,5 @@
 name:               repr-tree-syb
-version:            0.1.0
+version:            0.1.1
 cabal-version:      >=1.8
 build-type:         Simple
 license:            MIT
@@ -22,7 +22,7 @@
   build-depends:    base >= 4.5 && < 5,
                     containers >= 0.5,
                     text,
-                    syb == 0.3.*
+                    syb >= 0.3
 
 source-repository head
   type:             git
diff --git a/src/ReprTree.hs b/src/ReprTree.hs
--- a/src/ReprTree.hs
+++ b/src/ReprTree.hs
@@ -90,7 +90,7 @@
         stripPrefix "(" s >>= fmap reverse . stripPrefix ")" . reverse
 
 mapReprTree :: (Data a, Data k) => Map k a -> Tree String
-mapReprTree = Node "Map" . map pairReprTree . Map.toList where
+mapReprTree = Node "Map" . map pairReprTree . Map.toList
 
 pairReprTree :: (Data a, Data b) => (a, b) -> Tree String
 pairReprTree (a, b) = Node "," [reprTree a, reprTree b]