diff --git a/go.mod b/go.mod
index 67d516eb1..8405f37c9 100644
--- a/go.mod
+++ b/go.mod
@@ -35,7 +35,7 @@ require (
 	github.com/fsnotify/fsnotify v1.4.9
 	github.com/go-sql-driver/mysql v1.5.0
 	github.com/gorhill/cronexpr v0.0.0-20180427100037-88b0669f7d75
-	github.com/mediocregopher/radix/v3 v3.7.0
+	github.com/mediocregopher/radix/v3 v3.8.1
 	github.com/miekg/dns v1.1.44-0.20210927135021-1630ffe2ca11
 	github.com/mitchellh/mapstructure v1.4.0
 	github.com/nats-io/nats.go v1.11.0
diff --git a/go.sum b/go.sum
index 5f5edca2a..b20a52a23 100644
--- a/go.sum
+++ b/go.sum
@@ -379,8 +379,8 @@ github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Ky
 github.com/mattn/go-runewidth v0.0.3/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 github.com/mattn/go-runewidth v0.0.10 h1:CoZ3S2P7pvtP45xOtBw+/mDL2z0RKI576gSkzRRpdGg=
 github.com/mattn/go-runewidth v0.0.10/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
-github.com/mediocregopher/radix/v3 v3.7.0 h1:SM9zJdme5pYGEVvh1HttjBjDmIaNBDKy+oDCv5w81Wo=
-github.com/mediocregopher/radix/v3 v3.7.0/go.mod h1:8FL3F6UQRXHXIBSPUs5h0RybMF8i4n7wVopoX3x7Bv8=
+github.com/mediocregopher/radix/v3 v3.8.1 h1:rOkHflVuulFKlwsLY01/M2cM2tWCjDoETcMqKbAWu1M=
+github.com/mediocregopher/radix/v3 v3.8.1/go.mod h1:8FL3F6UQRXHXIBSPUs5h0RybMF8i4n7wVopoX3x7Bv8=
 github.com/miekg/dns v1.1.44-0.20210927135021-1630ffe2ca11 h1:x/LgmprhSZSR5CV8wFas/6sMT2U70LGgKog/P0Oe+jA=
 github.com/miekg/dns v1.1.44-0.20210927135021-1630ffe2ca11/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
 github.com/minio/highwayhash v1.0.1 h1:dZ6IIu8Z14VlC0VpfKofAhCy74wu/Qb5gcn52yWoz/0=