diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+#### 0.13.1.2
+
+* Use `json-schema 0.5.*` and add `showExample` cases for `Map` and `Any`
+
 #### 0.13.1.1
 
 * Allow `attoparsec 0.12.*`
diff --git a/rest-gen.cabal b/rest-gen.cabal
--- a/rest-gen.cabal
+++ b/rest-gen.cabal
@@ -1,5 +1,5 @@
 name:                rest-gen
-version:             0.13.1.1
+version:             0.13.1.2
 description:         Documentation and client generation from rest definition.
 synopsis:            Documentation and client generation from rest definition.
 maintainer:          code@silk.co
@@ -65,7 +65,7 @@
     , hashable >= 1.1 && < 1.3
     , hslogger >= 1.1 && < 1.3
     , hxt >= 9.2 && < 9.4
-    , json-schema == 0.4.*
+    , json-schema == 0.5.*
     , mtl >= 2.0 && < 2.3
     , pretty >= 1.0 && < 1.2
     , process >= 1.0 && < 1.3
diff --git a/src/Rest/Gen/Base/JSON.hs b/src/Rest/Gen/Base/JSON.hs
--- a/src/Rest/Gen/Base/JSON.hs
+++ b/src/Rest/Gen/Base/JSON.hs
@@ -13,12 +13,15 @@
 showExample :: Schema -> String
 showExample = render . pp_value . showExample'
   where
-    showExample' (Choice [])     = A.Null -- Cannot create zero value
-    showExample' (Choice (x:_))  = showExample' x
-    showExample' (Object fs)     = A.object $ map (\f -> pack (key f) .= showExample' (content f)) fs
-    showExample' (Tuple vs)      = A.Array $ V.fromList $ map showExample' vs
-    showExample' (Array l _ _ v) = A.Array $ V.fromList $ replicate (l `max` 1) (showExample' v)
-    showExample' (Value _ _)     = A.String "value"
-    showExample' Boolean         = A.Bool True
-    showExample' (Number l _)    = A.Number (fromIntegral l)
-    showExample' Null            = A.Null
+    showExample' s = case s of
+      Choice []     -> A.Null -- Cannot create zero value
+      Choice (x:_)  -> showExample' x
+      Object fs     -> A.object $ map (\f -> pack (key f) .= showExample' (content f)) fs
+      Map v         -> A.object ["<key>" .= showExample' v]
+      Tuple vs      -> A.Array $ V.fromList $ map showExample' vs
+      Array l _ _ v -> A.Array $ V.fromList $ replicate (l `max` 1) (showExample' v)
+      Value _ _     -> A.String "value"
+      Boolean       -> A.Bool True
+      Number l _    -> A.Number (fromIntegral l)
+      Null          -> A.Null
+      Any           -> A.String "<value>"