diff --git a/go.mod b/go.mod
index 27796d5..538f25f 100644
--- a/go.mod
+++ b/go.mod
@@ -3,12 +3,12 @@ module github.com/tomochain/proxy
 go 1.12
 
 require (
-	github.com/go-stack/stack v1.8.0
-	github.com/gorilla/websocket v1.4.0
+	github.com/go-stack/stack v1.8.0 // indirect
+	github.com/gorilla/websocket v1.4.1
 	github.com/hashicorp/golang-lru v0.5.0
 	github.com/inconshreveable/log15 v0.0.0-20180818164646-67afb5ed74ec
-	github.com/mattn/go-colorable v0.0.9
-	github.com/mattn/go-isatty v0.0.4
+	github.com/mattn/go-colorable v0.0.9 // indirect
+	github.com/mattn/go-isatty v0.0.4 // indirect
 	github.com/rs/cors v1.6.0
-	golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc
+	golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc // indirect
 )
diff --git a/go.sum b/go.sum
index 755fa5d..240ef85 100644
--- a/go.sum
+++ b/go.sum
@@ -1,7 +1,7 @@
 github.com/go-stack/stack v1.8.0 h1:5SgMzNM5HxrEjV0ww2lTmX6E2Izsfxas4+YHWRs3Lsk=
 github.com/go-stack/stack v1.8.0/go.mod h1:v0f6uXyyMGvRgIKkXu+yp6POWl0qKG85gN/melR3HDY=
-github.com/gorilla/websocket v1.4.0 h1:WDFjx/TMzVgy9VdMMQi2K2Emtwi2QcUQsztZ/zLaH/Q=
-github.com/gorilla/websocket v1.4.0/go.mod h1:E7qHFY5m1UJ88s3WnNqhKjPHQ0heANvMoAMk2YaljkQ=
+github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
+github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/hashicorp/golang-lru v0.5.0 h1:CL2msUPvZTLb5O648aiLNJw3hnBxN2+1Jq8rCOH9wdo=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=
 github.com/inconshreveable/log15 v0.0.0-20180818164646-67afb5ed74ec h1:CGkYB1Q7DSsH/ku+to+foV4agt2F2miquaLUgF6L178=
@@ -12,4 +12,5 @@ github.com/mattn/go-isatty v0.0.4 h1:bnP0vzxcAdeI1zdubAl5PjU6zsERjGZb7raWodagDYs
 github.com/mattn/go-isatty v0.0.4/go.mod h1:M+lRXTBqGeGNdLjl/ufCoiOlB5xdOkqRJdNxMWT7Zi4=
 github.com/rs/cors v1.6.0 h1:G9tHG9lebljV9mfp9SNPDL36nCDxmo3zTlAf1YgvzmI=
 github.com/rs/cors v1.6.0/go.mod h1:gFx+x8UowdsKA9AchylcLynDq+nNFfI8FkUZdN/jGCU=
+golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc h1:WiYx1rIFmx8c0mXAFtv5D/mHyKe1+jmuP7PViuwqwuQ=
 golang.org/x/sys v0.0.0-20190129075346-302c3dd5f1cc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=