diff --git a/go.mod b/go.mod
index 4c7daa7..bd7d2c4 100644
--- a/go.mod
+++ b/go.mod
@@ -5,7 +5,7 @@ go 1.19
 require (
 	fortio.org/assert v1.2.1
 	fortio.org/log v1.14.0
-	fortio.org/sets v1.1.1
+	fortio.org/sets v1.2.0
 	github.com/fsnotify/fsnotify v1.7.0
 	golang.org/x/exp v0.0.0-20240604190554-fc45aab8b7f8
 )
diff --git a/go.sum b/go.sum
index 895bda4..38b8c37 100644
--- a/go.sum
+++ b/go.sum
@@ -2,8 +2,8 @@ fortio.org/assert v1.2.1 h1:48I39urpeDj65RP1KguF7akCjILNeu6vICiYMEysR7Q=
 fortio.org/assert v1.2.1/go.mod h1:039mG+/iYDPO8Ibx8TrNuJCm2T2SuhwRI3uL9nHTTls=
 fortio.org/log v1.14.0 h1:ZkIc3Qqwfs9Dd931k07YzoC+bqCpJKEjVlZwxgXW3Nw=
 fortio.org/log v1.14.0/go.mod h1:1tnXMqd5rZAgvSeHJkD2xXpyXRBzdeXtKLZuzNLIwtA=
-fortio.org/sets v1.1.1 h1:Q7Z1Ft2lpUc1N7bfI8HofIK0QskrOflfYRyKT2LzBng=
-fortio.org/sets v1.1.1/go.mod h1:J2BwIxNOLWsSU7IMZUg541kh3Au4JEKHrghVwXs68tE=
+fortio.org/sets v1.2.0 h1:FBfC7R2xrOJtkcioUbY6WqEzdujuBoZRbSdp1fYF4Kk=
+fortio.org/sets v1.2.0/go.mod h1:J2BwIxNOLWsSU7IMZUg541kh3Au4JEKHrghVwXs68tE=
 fortio.org/struct2env v0.4.1 h1:rJludAMO5eBvpWplWEQNqoVDFZr4RWMQX7RUapgZyc0=
 fortio.org/struct2env v0.4.1/go.mod h1:lENUe70UwA1zDUCX+8AsO663QCFqYaprk5lnPhjD410=
 github.com/fsnotify/fsnotify v1.7.0 h1:8JEhPFa5W2WU7YfeZzPNqzMP6Lwt7L2715Ggo0nosvA=