diff --git a/go.mod b/go.mod
index 8c0fa3d..cfc5a89 100644
--- a/go.mod
+++ b/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/go-kit/kit v0.12.0
 	github.com/gorilla/mux v1.8.0
 	github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab
-	github.com/itzg/go-flagsfiller v1.9.1
+	github.com/itzg/go-flagsfiller v1.9.2
 	github.com/juju/ratelimit v1.0.2
 	github.com/pires/go-proxyproto v0.7.0
 	github.com/pkg/errors v0.9.1
diff --git a/go.sum b/go.sum
index 4d96252..d5d987f 100644
--- a/go.sum
+++ b/go.sum
@@ -102,8 +102,8 @@ github.com/imdario/mergo v0.3.7 h1:Y+UAYTZ7gDEuOfhxKWy+dvb5dRQ6rJjFSdX2HZY1/gI=
 github.com/imdario/mergo v0.3.7/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
 github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab h1:HqW4xhhynfjrtEiiSGcQUd6vrK23iMam1FO8rI7mwig=
 github.com/influxdata/influxdb1-client v0.0.0-20200827194710-b269163b24ab/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
-github.com/itzg/go-flagsfiller v1.9.1 h1:J8LNjjkqeCAbujkfYYdGzDqWaYZZmCbVGYeh9eG3O2Q=
-github.com/itzg/go-flagsfiller v1.9.1/go.mod h1:6LKRav19Dzu7PKOef3k2RHtrWKwW70KGwq5YCp4vA6s=
+github.com/itzg/go-flagsfiller v1.9.2 h1:ialZGSqi6Er96/S2YQZtD3RRogfXJvol4vQhFiRGe1w=
+github.com/itzg/go-flagsfiller v1.9.2/go.mod h1:gp16qla63sLpI6LPy64BuUQ58G7z990XujOd09QmyM0=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
@@ -285,7 +285,6 @@ gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gotest.tools/v3 v3.0.2/go.mod h1:3SzNCllyD9/Y+b5r9JIKQ474KzkZyqLqEfYqMsX94Bk=