diff --git a/go.mod b/go.mod
index 911f68c00..a53930ed5 100644
--- a/go.mod
+++ b/go.mod
@@ -31,6 +31,7 @@ require (
 	github.com/lestrrat-go/strftime v1.0.4 // indirect
 	github.com/lib/pq v1.2.0 // indirect
 	github.com/mattn/go-sqlite3 v1.14.6 // indirect
+	github.com/mitchellh/mapstructure v1.4.2
 	github.com/nfnt/resize v0.0.0-20180221191011-83c6a9932646
 	github.com/olivere/elastic/v7 v7.0.23
 	github.com/pierrec/lz4 v2.6.1+incompatible // indirect