diff --git a/go.mod b/go.mod
index c40a536..225704c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,12 +1,12 @@
 module github.com/tidwall/buntdb
 
-go 1.13
+go 1.15
 
 require (
-	github.com/tidwall/btree v0.2.1
-	github.com/tidwall/gjson v1.3.4
+	github.com/tidwall/btree v0.2.2
+	github.com/tidwall/gjson v1.6.1
 	github.com/tidwall/grect v0.0.0-20161006141115-ba9a043346eb
 	github.com/tidwall/match v1.0.1
-	github.com/tidwall/rtree v0.0.0-20180113144539-6cd427091e0e
+	github.com/tidwall/rtree v0.0.0-20201027154624-32188eeb08a8
 	github.com/tidwall/tinyqueue v0.0.0-20180302190814-1e39f5511563 // indirect
 )
diff --git a/go.sum b/go.sum
index b3b74fe..6c80195 100644
--- a/go.sum
+++ b/go.sum
@@ -1,20 +1,14 @@
-github.com/tidwall/btree v0.0.0-20191029221954-400434d76274 h1:G6Z6HvJuPjG6XfNGi/feOATzeJrfgTNJY+rGrHbA04E=
-github.com/tidwall/btree v0.0.0-20191029221954-400434d76274/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
-github.com/tidwall/btree v0.1.0 h1:08K82J5GUBN+zdEE8/xWaBgU6+yYWW995LhHFEl8dzI=
-github.com/tidwall/btree v0.1.0/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
-github.com/tidwall/btree v0.2.0 h1:+x3HF7KQ4uarFfyQpAViE+R3ip/zIjASmAC54ocDNng=
-github.com/tidwall/btree v0.2.0/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
-github.com/tidwall/btree v0.2.1 h1:jToKrG8o1uRsYRr07sTpLyiP4deacqJetUk/+WI7H94=
-github.com/tidwall/btree v0.2.1/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
-github.com/tidwall/gjson v1.3.4 h1:On5waDnyKKk3SWE4EthbjjirAWXp43xx5cKCUZY1eZw=
-github.com/tidwall/gjson v1.3.4/go.mod h1:P256ACg0Mn+j1RXIDXoss50DeIABTYK1PULOJHhxOls=
+github.com/tidwall/btree v0.2.2 h1:VVo0JW/tdidNdQzNsDR4wMbL3heaxA1DGleyzQ3/niY=
+github.com/tidwall/btree v0.2.2/go.mod h1:huei1BkDWJ3/sLXmO+bsCNELL+Bp2Kks9OLyQFkzvA8=
+github.com/tidwall/gjson v1.6.1 h1:LRbvNuNuvAiISWg6gxLEFuCe72UKy5hDqhxW/8183ws=
+github.com/tidwall/gjson v1.6.1/go.mod h1:BaHyNc5bjzYkPqgLq7mdVzeiRtULKULXLgZFKsxEHI0=
 github.com/tidwall/grect v0.0.0-20161006141115-ba9a043346eb h1:5NSYaAdrnblKByzd7XByQEJVT8+9v0W/tIY0Oo4OwrE=
 github.com/tidwall/grect v0.0.0-20161006141115-ba9a043346eb/go.mod h1:lKYYLFIr9OIgdgrtgkZ9zgRxRdvPYsExnYBsEAd8W5M=
 github.com/tidwall/match v1.0.1 h1:PnKP62LPNxHKTwvHHZZzdOAOCtsJTjo6dZLCwpKm5xc=
 github.com/tidwall/match v1.0.1/go.mod h1:LujAq0jyVjBy028G1WhWfIzbpQfMO8bBZ6Tyb0+pL9E=
-github.com/tidwall/pretty v1.0.0 h1:HsD+QiTn7sK6flMKIvNmpqz1qrpP3Ps6jOKIKMooyg4=
-github.com/tidwall/pretty v1.0.0/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
-github.com/tidwall/rtree v0.0.0-20180113144539-6cd427091e0e h1:+NL1GDIUOKxVfbp2KoJQD9cTQ6dyP2co9q4yzmT9FZo=
-github.com/tidwall/rtree v0.0.0-20180113144539-6cd427091e0e/go.mod h1:/h+UnNGt0IhNNJLkGikcdcJqm66zGD/uJGMRxK/9+Ao=
+github.com/tidwall/pretty v1.0.2 h1:Z7S3cePv9Jwm1KwS0513MRaoUe3S01WPbLNV40pwWZU=
+github.com/tidwall/pretty v1.0.2/go.mod h1:XNkn88O1ChpSDQmQeStsy+sBenx6DDtFZJxhVysOjyk=
+github.com/tidwall/rtree v0.0.0-20201027154624-32188eeb08a8 h1:BsKSRhu0TDB6Snq8SutN9KQHc6vqHEXJTcAFwyGNius=
+github.com/tidwall/rtree v0.0.0-20201027154624-32188eeb08a8/go.mod h1:/h+UnNGt0IhNNJLkGikcdcJqm66zGD/uJGMRxK/9+Ao=
 github.com/tidwall/tinyqueue v0.0.0-20180302190814-1e39f5511563 h1:Otn9S136ELckZ3KKDyCkxapfufrqDqwmGjcHfAyXRrE=
 github.com/tidwall/tinyqueue v0.0.0-20180302190814-1e39f5511563/go.mod h1:mLqSmt7Dv/CNneF2wfcChfN1rvapyQr01LGKnKex0DQ=