diff --git a/go.mod b/go.mod
index 978d8c16c..96f5ad503 100644
--- a/go.mod
+++ b/go.mod
@@ -21,7 +21,7 @@ require (
 	github.com/go-openapi/swag v0.19.6
 	github.com/go-openapi/validate v0.19.5
 	github.com/golangci/golangci-lint v1.21.0
-	github.com/google/go-cmp v0.3.1
+	github.com/google/go-cmp v0.4.0
 	github.com/hansrodtang/randomcolor v0.0.0-20160512071917-d27108b3d7a5
 	github.com/jarcoal/httpmock v1.0.4
 	github.com/patrickmn/go-cache v2.1.1-0.20180815053127-5633e0862627+incompatible
diff --git a/go.sum b/go.sum
index 0fcec05f8..4655ad8e2 100644
--- a/go.sum
+++ b/go.sum
@@ -232,6 +232,8 @@ github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5a
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
 github.com/google/go-cmp v0.3.1 h1:Xye71clBPdm5HgqGwUkwhbynsUJZhDbS20FvLhQ2izg=
 github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.4.0 h1:xsAVV57WRhGj6kEIi8ReJzQlHHqcBYCElAvkovg3B/4=
+github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/renameio v0.1.0/go.mod h1:KWCgfxg9yswjAJkECMjeO8J8rahYeXnNhOm40UhjYkI=
 github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
@@ -523,6 +525,7 @@ golang.org/x/tools v0.0.0-20190930201159-7c411dea38b0/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191010075000-0337d82405ff h1:XdBG6es/oFDr1HwaxkxgVve7NB281QhxgK/i4voubFs=
 golang.org/x/tools v0.0.0-20191010075000-0337d82405ff/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9YwlJXL52JkM=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=