diff --git a/go.mod b/go.mod
index 9e7226fe2..410eb43f5 100644
--- a/go.mod
+++ b/go.mod
@@ -41,6 +41,7 @@ require (
 	github.com/sirupsen/logrus v1.4.2
 	github.com/syndtr/goleveldb v0.0.0-20190318030020-c3a204f8e965 // indirect
 	github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c // indirect
+	golang.org/x/tools v0.0.0-20200623185156-456ad74e1464 // indirect
 	google.golang.org/api v0.24.0 // indirect
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22
diff --git a/go.sum b/go.sum
index 9f0a1d148..b5af68ea6 100644
--- a/go.sum
+++ b/go.sum
@@ -409,6 +409,7 @@ github.com/xenolf/lego v0.3.2-0.20170618175828-28ead50ff1ca/go.mod h1:fwiGnfsIjG
 github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c h1:3lbZUMbMiGUW/LMkfsEABsc5zNT9+b1CvsJx47JzJ8g=
 github.com/xtgo/uuid v0.0.0-20140804021211-a0b114877d4c/go.mod h1:UrdRz5enIKZ63MEE3IF9l2/ebyx59GyGgPi+tICQdmM=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
@@ -572,6 +573,8 @@ golang.org/x/tools v0.0.0-20200207183749-b753a1ba74fa/go.mod h1:TB2adYChydJhpapK
 golang.org/x/tools v0.0.0-20200212150539-ea181f53ac56/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200224181240-023911ca70b2/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200331025713-a30bf2db82d4/go.mod h1:Sl4aGygMT6LrqrWclx+PTx3U+LnKx/seiNR+3G19Ar8=
+golang.org/x/tools v0.0.0-20200623185156-456ad74e1464 h1:3pMGuJd09Tet0JddXuSU1doOjbRkkVtNjNG+/x8cmC8=
+golang.org/x/tools v0.0.0-20200623185156-456ad74e1464/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543 h1:E7g+9GITq07hpfrRu66IVDexMakfv52eLZ2CXBWiKr4=