diff --git a/Gopkg.lock b/Gopkg.lock
index b49f46e7..bab07235 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -242,8 +242,7 @@
   version = "v1.0.2"
 
 [[projects]]
-  branch = "master"
-  digest = "1:0a6da4a08925415ab3326e140985ec628417903637461e9b68c07a03dfcc918d"
+  digest = "1:fc81262a6ad5aeec27e1bd15356f790e6b2d8fd14acb6bd5ff3f0f51bf67417f"
   name = "github.com/tidwall/geojson"
   packages = [
     ".",
@@ -251,7 +250,8 @@
     "geometry",
   ]
   pruneopts = ""
-  revision = "d0a98d02b48e887b4de454d80c61ef5fb9312482"
+  revision = "6baab67ab6a9bac4abf153ab779c736254a37fd1"
+  version = "v1.1.0"
 
 [[projects]]
   digest = "1:3ddca2bd5496c6922a2a9e636530e178a43c2a534ea6634211acdc7d10222794"
diff --git a/Gopkg.toml b/Gopkg.toml
index cca1c7b3..fbf4b850 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -23,7 +23,6 @@
 required = [
   "github.com/tidwall/lotsa", 
   "github.com/mmcloughlin/geohash", 
-  "github.com/tidwall/geojson",
   "github.com/tidwall/evio"
 ]
 
@@ -35,6 +34,10 @@ required = [
   branch = "master"
   name = "github.com/tidwall/boxtree"
 
+[[constraint]]
+  name = "github.com/tidwall/geojson"
+  version = "1.1.0"
+
 [[constraint]]
   name = "github.com/Shopify/sarama"
   version = "1.13.0"
diff --git a/internal/collection/string.go b/internal/collection/string.go
index b7207957..ad7dc042 100644
--- a/internal/collection/string.go
+++ b/internal/collection/string.go
@@ -58,6 +58,11 @@ func (s String) JSON() string {
 	return string(s.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (s String) MarshalJSON() ([]byte, error) {
+	return s.AppendJSON(nil), nil
+}
+
 // Within ...
 func (s String) Within(obj geojson.Object) bool {
 	return false
diff --git a/tests/json_test.go b/tests/json_test.go
index 17ee8a68..e0d02c1d 100644
--- a/tests/json_test.go
+++ b/tests/json_test.go
@@ -30,7 +30,7 @@ func json_JSET_geojson_test(mc *mockServer) error {
 		{"JSET", "mykey", "myid1", "coordinates.1", 44}, {"OK"},
 		{"JGET", "mykey", "myid1"}, {`{"type":"Point","coordinates":[-115,44]}`},
 		{"SET", "mykey", "myid1", "OBJECT", `{"type":"Feature","geometry":{"type":"Point","coordinates":[-115,44]}}`}, {"OK"},
-		{"JGET", "mykey", "myid1"}, {`{"type":"Feature","geometry":{"type":"Point","coordinates":[-115,44]}}`},
+		{"JGET", "mykey", "myid1"}, {`{"type":"Feature","geometry":{"type":"Point","coordinates":[-115,44]},"properties":{}}`},
 		{"JGET", "mykey", "myid1", "geometry.type"}, {"Point"},
 		{"JSET", "mykey", "myid1", "properties.tags.-1", "southwest"}, {"OK"},
 		{"JSET", "mykey", "myid1", "properties.tags.-1", "united states"}, {"OK"},
diff --git a/tests/testcmd_test.go b/tests/testcmd_test.go
index 5a2151a3..d6d65231 100644
--- a/tests/testcmd_test.go
+++ b/tests/testcmd_test.go
@@ -111,7 +111,7 @@ func testcmd_INTERSECTS_CLIP_test(mc *mockServer) error {
 
 		{"TEST", "OBJECT", poly9, "INTERSECTS", "CLIP", "BOUNDS", 37.732906137107, -122.44126439094543, 37.73421283683962, -122.43980526924135}, {"[1 " + poly9 + "]"},
 		{"TEST", "OBJECT", poly8, "INTERSECTS", "CLIP", "BOUNDS", 37.733, -122.4408378, 37.7341129, -122.44}, {"[1 " + poly8 + "]"},
-		{"TEST", "OBJECT", multipoly5, "INTERSECTS", "CLIP", "BOUNDS", 37.73227823422744, -122.44120001792908, 37.73319038868677, -122.43955314159392}, {"[1 " + `{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-122.4408378,37.73319038868677],[-122.4408378,37.733],[-122.44,37.733],[-122.44,37.73319038868677],[-122.4408378,37.73319038868677]]]}},{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-122.44091033935547,37.73227823422744],[-122.43994474411011,37.73227823422744],[-122.43994474411011,37.73254976045042],[-122.44091033935547,37.73254976045042],[-122.44091033935547,37.73227823422744]]]}}]}` + "]"},
+		{"TEST", "OBJECT", multipoly5, "INTERSECTS", "CLIP", "BOUNDS", 37.73227823422744, -122.44120001792908, 37.73319038868677, -122.43955314159392}, {"[1 " + `{"type":"FeatureCollection","features":[{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-122.4408378,37.73319038868677],[-122.4408378,37.733],[-122.44,37.733],[-122.44,37.73319038868677],[-122.4408378,37.73319038868677]]]},"properties":{}},{"type":"Feature","geometry":{"type":"Polygon","coordinates":[[[-122.44091033935547,37.73227823422744],[-122.43994474411011,37.73227823422744],[-122.43994474411011,37.73254976045042],[-122.44091033935547,37.73254976045042],[-122.44091033935547,37.73227823422744]]]},"properties":{}}]}` + "]"},
 		{"TEST", "OBJECT", poly101, "INTERSECTS", "CLIP", "BOUNDS", 37.73315644825698, -122.44054287672043, 37.73349585185455, -122.44008690118788}, {"0"},
 	})
 }
diff --git a/tests/tests_test.go b/tests/tests_test.go
index f342df1b..6624fa64 100644
--- a/tests/tests_test.go
+++ b/tests/tests_test.go
@@ -57,7 +57,9 @@ func runSubTest(t *testing.T, name string, mc *mockServer, test func(t *testing.
 }
 
 func runStep(t *testing.T, mc *mockServer, name string, step func(mc *mockServer) error) {
+	t.Helper()
 	t.Run(name, func(t *testing.T) {
+		t.Helper()
 		if err := func() error {
 			// reset the current server
 			mc.ResetConn()
diff --git a/vendor/github.com/tidwall/geojson/circle.go b/vendor/github.com/tidwall/geojson/circle.go
index a27dd8d1..127dfe24 100644
--- a/vendor/github.com/tidwall/geojson/circle.go
+++ b/vendor/github.com/tidwall/geojson/circle.go
@@ -53,6 +53,11 @@ func (g *Circle) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *Circle) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // String ...
 func (g *Circle) String() string {
 	return string(g.AppendJSON(nil))
diff --git a/vendor/github.com/tidwall/geojson/collection.go b/vendor/github.com/tidwall/geojson/collection.go
index 9ddd89e4..0edd0493 100644
--- a/vendor/github.com/tidwall/geojson/collection.go
+++ b/vendor/github.com/tidwall/geojson/collection.go
@@ -90,6 +90,11 @@ func (g *collection) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *collection) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // String ...
 func (g *collection) String() string {
 	return string(g.AppendJSON(nil))
diff --git a/vendor/github.com/tidwall/geojson/feature.go b/vendor/github.com/tidwall/geojson/feature.go
index 62b9b7ac..da5e405f 100644
--- a/vendor/github.com/tidwall/geojson/feature.go
+++ b/vendor/github.com/tidwall/geojson/feature.go
@@ -77,7 +77,7 @@ func (g *Feature) Members() string {
 func (g *Feature) AppendJSON(dst []byte) []byte {
 	dst = append(dst, `{"type":"Feature","geometry":`...)
 	dst = g.base.AppendJSON(dst)
-	dst = g.extra.appendJSONExtra(dst)
+	dst = g.extra.appendJSONExtra(dst, true)
 	dst = append(dst, '}')
 	return dst
 
@@ -93,6 +93,11 @@ func (g *Feature) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *Feature) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // Spatial ...
 func (g *Feature) Spatial() Spatial {
 	return g
diff --git a/vendor/github.com/tidwall/geojson/feature_test.go b/vendor/github.com/tidwall/geojson/feature_test.go
index 5ba83c42..f851b28b 100644
--- a/vendor/github.com/tidwall/geojson/feature_test.go
+++ b/vendor/github.com/tidwall/geojson/feature_test.go
@@ -1,28 +1,32 @@
 package geojson
 
-import "testing"
+import (
+	"testing"
+
+	"github.com/tidwall/gjson"
+)
 
 func TestFeatureParse(t *testing.T) {
-	p := expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]}}`, nil)
+	p := expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`, nil)
 	expect(t, p.Center() == P(1, 2))
 	expectJSON(t, `{"type":"Feature"}`, errGeometryMissing)
 	expectJSON(t, `{"type":"Feature","geometry":null}`, errDataInvalid)
-	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":null}`, nil)
-	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":[4,true]}`, nil)
+	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":null,"properties":{}}`, nil)
+	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":[4,true],"properties":{}}`, nil)
 	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":"15","properties":{"a":"b"}}`, nil)
-	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4]}`, nil)
-	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2],"bbox":[1,2,3,4]},"id":[4,true]}`, nil)
+	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4],"properties":{}}`, nil)
+	expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2],"bbox":[1,2,3,4]},"id":[4,true],"properties":{}}`, nil)
 }
 
 func TestFeatureVarious(t *testing.T) {
-	var g = expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]}}`, nil)
-	expect(t, string(g.AppendJSON(nil)) == `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]}}`)
+	var g = expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`, nil)
+	expect(t, string(g.AppendJSON(nil)) == `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"properties":{}}`)
 	expect(t, g.Rect() == R(1, 2, 1, 2))
 	expect(t, g.Center() == P(1, 2))
 	expect(t, !g.Empty())
 
 	g = expectJSONOpts(t,
-		`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4]}`,
+		`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2,3]},"bbox":[1,2,3,4],"properties":{}}`,
 		nil, nil)
 	expect(t, !g.Empty())
 	expect(t, g.Rect() == R(1, 2, 1, 2))
@@ -30,10 +34,44 @@ func TestFeatureVarious(t *testing.T) {
 
 }
 
-// func TestFeaturePoly(t *testing.T) {
-// 	p := expectJSON(t, `{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]}}`, nil)
-// 	expect(t, p.Intersects(PO(1, 2)))
-// 	expect(t, p.Contains(PO(1, 2)))
-// 	expect(t, p.Within(PO(1, 2)))
+func TestFeatureProperties(t *testing.T) {
+	obj, err := Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]}}`, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	json := obj.JSON()
+	if !gjson.Valid(json) {
+		t.Fatal("invalid json")
+	}
+	if !gjson.Get(json, "properties").Exists() {
+		t.Fatal("expected 'properties' member")
+	}
 
-// }
+	obj, err = Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"properties":true}`, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	json = obj.JSON()
+	if !gjson.Valid(json) {
+		t.Fatal("invalid json")
+	}
+	if gjson.Get(json, "properties").Type != gjson.True {
+		t.Fatal("expected 'properties' member to be 'true'")
+	}
+
+	obj, err = Parse(`{"type":"Feature","geometry":{"type":"Point","coordinates":[1,2]},"id":{}}`, nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	json = obj.JSON()
+	if !gjson.Valid(json) {
+		t.Fatal("invalid json")
+	}
+	if !gjson.Get(json, "properties").Exists() {
+		t.Fatal("expected 'properties' member")
+	}
+	if gjson.Get(json, "id").String() != "{}" {
+		t.Fatal("expected 'id' member")
+	}
+
+}
diff --git a/vendor/github.com/tidwall/geojson/featurecollection.go b/vendor/github.com/tidwall/geojson/featurecollection.go
index 87ce6a87..43e05872 100644
--- a/vendor/github.com/tidwall/geojson/featurecollection.go
+++ b/vendor/github.com/tidwall/geojson/featurecollection.go
@@ -28,7 +28,7 @@ func (g *FeatureCollection) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	strings.Index("", " ")
@@ -45,6 +45,11 @@ func (g *FeatureCollection) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *FeatureCollection) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 func parseJSONFeatureCollection(
 	keys *parseKeys, opts *ParseOptions,
 ) (Object, error) {
diff --git a/vendor/github.com/tidwall/geojson/geometrycollection.go b/vendor/github.com/tidwall/geojson/geometrycollection.go
index 1d2cec49..2cb64045 100644
--- a/vendor/github.com/tidwall/geojson/geometrycollection.go
+++ b/vendor/github.com/tidwall/geojson/geometrycollection.go
@@ -28,7 +28,7 @@ func (g *GeometryCollection) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	strings.Index("", " ")
@@ -45,6 +45,11 @@ func (g *GeometryCollection) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *GeometryCollection) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 func parseJSONGeometryCollection(
 	keys *parseKeys, opts *ParseOptions,
 ) (Object, error) {
diff --git a/vendor/github.com/tidwall/geojson/linestring.go b/vendor/github.com/tidwall/geojson/linestring.go
index a94101f6..3047bff9 100644
--- a/vendor/github.com/tidwall/geojson/linestring.go
+++ b/vendor/github.com/tidwall/geojson/linestring.go
@@ -46,7 +46,7 @@ func (g *LineString) AppendJSON(dst []byte) []byte {
 	dst = append(dst, `{"type":"LineString","coordinates":`...)
 	dst, _ = appendJSONSeries(dst, &g.base, g.extra, 0)
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	return dst
@@ -62,6 +62,11 @@ func (g *LineString) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *LineString) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // Spatial ...
 func (g *LineString) Spatial() Spatial {
 	return g
diff --git a/vendor/github.com/tidwall/geojson/multilinestring.go b/vendor/github.com/tidwall/geojson/multilinestring.go
index d780ca59..65506e27 100644
--- a/vendor/github.com/tidwall/geojson/multilinestring.go
+++ b/vendor/github.com/tidwall/geojson/multilinestring.go
@@ -30,7 +30,7 @@ func (g *MultiLineString) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	return dst
@@ -58,6 +58,11 @@ func (g *MultiLineString) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *MultiLineString) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 func parseJSONMultiLineString(
 	keys *parseKeys, opts *ParseOptions,
 ) (Object, error) {
diff --git a/vendor/github.com/tidwall/geojson/multipoint.go b/vendor/github.com/tidwall/geojson/multipoint.go
index d0d299df..a0e2d72a 100644
--- a/vendor/github.com/tidwall/geojson/multipoint.go
+++ b/vendor/github.com/tidwall/geojson/multipoint.go
@@ -30,7 +30,7 @@ func (g *MultiPoint) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	return dst
@@ -46,6 +46,11 @@ func (g *MultiPoint) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *MultiPoint) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 func parseJSONMultiPoint(keys *parseKeys, opts *ParseOptions) (Object, error) {
 	var g MultiPoint
 	var err error
diff --git a/vendor/github.com/tidwall/geojson/multipolygon.go b/vendor/github.com/tidwall/geojson/multipolygon.go
index 023f689f..543b58eb 100644
--- a/vendor/github.com/tidwall/geojson/multipolygon.go
+++ b/vendor/github.com/tidwall/geojson/multipolygon.go
@@ -30,7 +30,7 @@ func (g *MultiPolygon) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	return dst
@@ -57,6 +57,11 @@ func (g *MultiPolygon) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *MultiPolygon) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 func parseJSONMultiPolygon(
 	keys *parseKeys, opts *ParseOptions,
 ) (Object, error) {
diff --git a/vendor/github.com/tidwall/geojson/object.go b/vendor/github.com/tidwall/geojson/object.go
index 2b1c89c0..fe023f83 100644
--- a/vendor/github.com/tidwall/geojson/object.go
+++ b/vendor/github.com/tidwall/geojson/object.go
@@ -43,6 +43,7 @@ type Object interface {
 	NumPoints() int
 	ForEach(iter func(geom Object) bool) bool
 	Spatial() Spatial
+	MarshalJSON() ([]byte, error)
 }
 
 var _ = []Object{
@@ -88,7 +89,7 @@ type ParseOptions struct {
 	// IndexGeometryKind is the kind of index implementation.
 	// Default is QuadTreeCompressed
 	IndexGeometryKind geometry.IndexKind
-	RequireValid       bool
+	RequireValid      bool
 }
 
 // DefaultParseOptions ...
@@ -96,7 +97,7 @@ var DefaultParseOptions = &ParseOptions{
 	IndexChildren:     64,
 	IndexGeometry:     64,
 	IndexGeometryKind: geometry.QuadTree,
-	RequireValid:       false,
+	RequireValid:      false,
 }
 
 // Parse a GeoJSON object
@@ -244,10 +245,17 @@ func appendJSONPoint(dst []byte, point geometry.Point, ex *extra, idx int) []byt
 	return dst
 }
 
-func (ex *extra) appendJSONExtra(dst []byte) []byte {
+func (ex *extra) appendJSONExtra(dst []byte, propertiesRequired bool) []byte {
 	if ex != nil && ex.members != "" {
 		dst = append(dst, ',')
 		dst = append(dst, ex.members[1:len(ex.members)-1]...)
+		if propertiesRequired {
+			if !gjson.Get(ex.members, "properties").Exists() {
+				dst = append(dst, `,"properties":{}`...)
+			}
+		}
+	} else if propertiesRequired {
+		dst = append(dst, `,"properties":{}`...)
 	}
 
 	return dst
diff --git a/vendor/github.com/tidwall/geojson/object_test.go b/vendor/github.com/tidwall/geojson/object_test.go
index b73880af..355cffae 100644
--- a/vendor/github.com/tidwall/geojson/object_test.go
+++ b/vendor/github.com/tidwall/geojson/object_test.go
@@ -101,9 +101,9 @@ func expect(t testing.TB, what bool) {
 	}
 	if !what {
 		if t == nil {
-			panic("exception failure")
+			panic("expectation failure")
 		} else {
-			t.Fatal("expection failure")
+			t.Fatal("expectation failure")
 		}
 	}
 }
diff --git a/vendor/github.com/tidwall/geojson/point.go b/vendor/github.com/tidwall/geojson/point.go
index e18a4fe8..fa955404 100644
--- a/vendor/github.com/tidwall/geojson/point.go
+++ b/vendor/github.com/tidwall/geojson/point.go
@@ -63,7 +63,7 @@ func (g *Point) Base() geometry.Point {
 func (g *Point) AppendJSON(dst []byte) []byte {
 	dst = append(dst, `{"type":"Point","coordinates":`...)
 	dst = appendJSONPoint(dst, g.base, g.extra, 0)
-	dst = g.extra.appendJSONExtra(dst)
+	dst = g.extra.appendJSONExtra(dst, false)
 	dst = append(dst, '}')
 	return dst
 }
@@ -73,6 +73,11 @@ func (g *Point) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *Point) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // String ...
 func (g *Point) String() string {
 	return string(g.AppendJSON(nil))
diff --git a/vendor/github.com/tidwall/geojson/polygon.go b/vendor/github.com/tidwall/geojson/polygon.go
index f235eb5f..d5ab34dd 100644
--- a/vendor/github.com/tidwall/geojson/polygon.go
+++ b/vendor/github.com/tidwall/geojson/polygon.go
@@ -52,7 +52,7 @@ func (g *Polygon) AppendJSON(dst []byte) []byte {
 	}
 	dst = append(dst, ']')
 	if g.extra != nil {
-		dst = g.extra.appendJSONExtra(dst)
+		dst = g.extra.appendJSONExtra(dst, false)
 	}
 	dst = append(dst, '}')
 	return dst
@@ -63,6 +63,11 @@ func (g *Polygon) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *Polygon) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // String ...
 func (g *Polygon) String() string {
 	return string(g.AppendJSON(nil))
diff --git a/vendor/github.com/tidwall/geojson/rect.go b/vendor/github.com/tidwall/geojson/rect.go
index 4b2f42ad..19dd43d9 100644
--- a/vendor/github.com/tidwall/geojson/rect.go
+++ b/vendor/github.com/tidwall/geojson/rect.go
@@ -56,6 +56,11 @@ func (g *Rect) JSON() string {
 	return string(g.AppendJSON(nil))
 }
 
+// MarshalJSON ...
+func (g *Rect) MarshalJSON() ([]byte, error) {
+	return g.AppendJSON(nil), nil
+}
+
 // String ...
 func (g *Rect) String() string {
 	return string(g.AppendJSON(nil))