diff --git a/go.mod b/go.mod
index 1281d97..2d509ee 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,6 @@ module github.com/hashicorp/go-memdb
 go 1.13
 
 require (
-	github.com/hashicorp/go-immutable-radix v1.3.0
+	github.com/hashicorp/go-immutable-radix v1.3.1
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
 )
diff --git a/go.sum b/go.sum
index 2965e4b..cf93b59 100644
--- a/go.sum
+++ b/go.sum
@@ -1,5 +1,5 @@
-github.com/hashicorp/go-immutable-radix v1.3.0 h1:8exGP7ego3OmkfksihtSouGMZ+hQrhxx+FVELeXpVPE=
-github.com/hashicorp/go-immutable-radix v1.3.0/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
+github.com/hashicorp/go-immutable-radix v1.3.1 h1:DKHmCUm2hRBK510BaiZlwvpD40f8bJFeZnpfm2KLowc=
+github.com/hashicorp/go-immutable-radix v1.3.1/go.mod h1:0y9vanUI8NX6FsYoO3zeMjhV/C5i9g4Q3DwcSNZ4P60=
 github.com/hashicorp/go-uuid v1.0.0 h1:RS8zrF7PhGwyNPOtxSClXXj9HA8feRnJzgnI1RJCSnM=
 github.com/hashicorp/go-uuid v1.0.0/go.mod h1:6SBZvOh/SIDV7/2o3Jml5SYk/TvGqwFJ/bN7x4byOro=
 github.com/hashicorp/golang-lru v0.5.0/go.mod h1:/m3WP610KZHVQ1SGc6re/UDhFvYD7pJ4Ao+sR/qLZy8=