diff --git a/go.mod b/go.mod
index 3f57844..41ad58f 100644
--- a/go.mod
+++ b/go.mod
@@ -8,8 +8,8 @@ require (
 	github.com/kpango/glg v1.2.7
 	github.com/mattn/go-sqlite3 v1.10.0
 	github.com/syndtr/goleveldb v0.0.0-20190203031304-2f17a3356c66
-	github.com/yahoojapan/gongt v0.0.0-20181107111849-1c7eac1ad545
-	golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3
+	github.com/yahoojapan/gongt v0.0.0-20190208050444-e34345d2d7e2
+	golang.org/x/net v0.0.0-20190206173232-65e2d4e15006
 	google.golang.org/grpc v1.18.0
 	gopkg.in/urfave/cli.v1 v1.20.0
 )
diff --git a/go.sum b/go.sum
index aa103aa..ec05d4c 100644
--- a/go.sum
+++ b/go.sum
@@ -26,13 +26,13 @@ github.com/onsi/ginkgo v1.7.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+W
 github.com/onsi/gomega v1.4.3/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/syndtr/goleveldb v0.0.0-20190203031304-2f17a3356c66 h1:AwmkkZT+TucFotNCL+aNJ/0KCMsRtlXN9fs8uoOMSRk=
 github.com/syndtr/goleveldb v0.0.0-20190203031304-2f17a3356c66/go.mod h1:ZVVdQEZoIme9iO1Ch2Jdy24qqXrMMOU6lpPAyBWyWuQ=
-github.com/yahoojapan/gongt v0.0.0-20181107111849-1c7eac1ad545 h1:nkTAbutwixxOs5AOrVglgFtIEzcDEAFmuiBP7jIOQms=
-github.com/yahoojapan/gongt v0.0.0-20181107111849-1c7eac1ad545/go.mod h1:dZTg/XQ0W91X1qZzQ36cZOU+8U5mdFRVVonBKMlMSwk=
+github.com/yahoojapan/gongt v0.0.0-20190208050444-e34345d2d7e2 h1:UKlHwsk1dpYZLctch7VslIR0Q52P9ppYBus8CWrfSJE=
+github.com/yahoojapan/gongt v0.0.0-20190208050444-e34345d2d7e2/go.mod h1:ukaIDBAiTUH2jkSFWt21KGw9UvDiwif9QHZVHYMBbxY=
 golang.org/x/lint v0.0.0-20181026193005-c67002cb31c3/go.mod h1:UVdnD1Gm6xHRNCYTkRU2/jEulfH38KcIWyp/GAMgvoE=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3 h1:ulvT7fqt0yHWzpJwI57MezWnYDVpCAYBVuYst/L+fAY=
-golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20190206173232-65e2d4e15006 h1:bfLnR+k0tq5Lqt6dflRLcZiz6UaXCMt3vhYJ1l4FQ80=
+golang.org/x/net v0.0.0-20190206173232-65e2d4e15006/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -41,6 +41,7 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+gonum.org/v1/hdf5 v0.0.0-20180702054324-c257073619f4/go.mod h1:g+PDU5ogjIKcc3Cg4ALAK7X4c8bBQvPzPKWNW5NB7I0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8 h1:Nw54tB0rB7hY/N0NQvRW8DG4Yk3Q6T9cu9RcFQDu1tc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=