diff --git a/go.mod b/go.mod
index 23b699c..e86d752 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,10 @@ module github.com/gcpug/zagane
 go 1.12
 
 require (
-	github.com/gostaticanalysis/analysisutil v0.0.0-20190329144945-f9659037ac23
+	github.com/gostaticanalysis/analysisutil v0.0.0-20190329151158-56bca42c7635
 	github.com/gostaticanalysis/comment v1.2.0
-	golang.org/x/tools v0.0.0-20190328211700-ab21143f2384
+	golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c // indirect
+	golang.org/x/net v0.0.0-20190328230028-74de082e2cca // indirect
+	golang.org/x/sys v0.0.0-20190329044733-9eb1bfa1ce65 // indirect
+	golang.org/x/tools v0.0.0-20190329151206-4471d52094c5
 )
diff --git a/go.sum b/go.sum
index 464a672..1982d0a 100644
--- a/go.sum
+++ b/go.sum
@@ -1,14 +1,21 @@
 github.com/gostaticanalysis/analysisutil v0.0.0-20190329144945-f9659037ac23 h1:qx+7Jy3BRXXzYzMCew5W9ALg+OxUfjorS4R+lC28+xk=
 github.com/gostaticanalysis/analysisutil v0.0.0-20190329144945-f9659037ac23/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
+github.com/gostaticanalysis/analysisutil v0.0.0-20190329151158-56bca42c7635 h1:I/ckdXlVHde3unRCAcN/Tcpu7LFwgvyHqnFTeklC9oA=
+github.com/gostaticanalysis/analysisutil v0.0.0-20190329151158-56bca42c7635/go.mod h1:eEOZF4jCKGi+aprrirO9e7WKB3beBRtWgqGunKl6pKE=
 github.com/gostaticanalysis/comment v1.2.0 h1:z0tFc54SL945O+NO9/8xXs3Ii0uDxj2tEEru58Uwz6E=
 github.com/gostaticanalysis/comment v1.2.0/go.mod h1:xMicKDx7XRXYdVwY9f9wQpDJVnqWxw9wCauCMKp+IBI=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20190325154230-a5d413f7728c/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a h1:oWX7TPOiFAMXLq8o0ikBYfCJVlRHBcsciT5bXOrH628=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/net v0.0.0-20190328230028-74de082e2cca/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190329044733-9eb1bfa1ce65/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/tools v0.0.0-20190307163923-6a08e3108db3/go.mod h1:25r3+/G6/xytQM8iWZKq3Hn0kr0rgFKPUNVEL/dr3z4=
 golang.org/x/tools v0.0.0-20190311215038-5c2858a9cfe5/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384 h1:TFlARGu6Czu1z7q93HTxcP1P+/ZFC/IKythI5RzrnRg=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
+golang.org/x/tools v0.0.0-20190329151206-4471d52094c5 h1:RdgwRggXJnkp+JK4IPkA6j7jjnLSQnBZn9FTkkFvyZg=
+golang.org/x/tools v0.0.0-20190329151206-4471d52094c5/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=