diff --git a/go.mod b/go.mod
index bbc8f46d1..bbf5d3c55 100644
--- a/go.mod
+++ b/go.mod
@@ -25,7 +25,7 @@ require (
 	github.com/hansrodtang/randomcolor v0.0.0-20160512071917-d27108b3d7a5
 	github.com/jarcoal/httpmock v1.0.5
 	github.com/knadh/koanf v0.10.0
-	github.com/mitchellh/mapstructure v1.2.2
+	github.com/mitchellh/mapstructure v1.2.3
 	github.com/patrickmn/go-cache v2.1.1-0.20180815053127-5633e0862627+incompatible
 	github.com/pmezard/go-difflib v1.0.0
 	github.com/prometheus/client_golang v1.5.1
diff --git a/go.sum b/go.sum
index 9e7e17693..177935f05 100644
--- a/go.sum
+++ b/go.sum
@@ -354,6 +354,8 @@ github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQz
 github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/mitchellh/mapstructure v1.2.2 h1:dxe5oCinTXiTIcfgmZecdCzPmAJKd46KsCWc35r0TV4=
 github.com/mitchellh/mapstructure v1.2.2/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
+github.com/mitchellh/mapstructure v1.2.3 h1:f/MjBEBDLttYCGfRaKBbKSRVF5aV2O6fnBpzknuE3jU=
+github.com/mitchellh/mapstructure v1.2.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
 github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=