diff --git a/go.mod b/go.mod
index bfff487..2ea93fa 100644
--- a/go.mod
+++ b/go.mod
@@ -3,7 +3,7 @@ module fortio.org/dnsping
 go 1.18
 
 require (
-	fortio.org/cli v1.5.2
+	fortio.org/cli v1.6.0
 	fortio.org/fortio v1.63.10
 	fortio.org/log v1.12.2
 	fortio.org/testscript v0.3.1
@@ -13,6 +13,7 @@ require (
 require (
 	fortio.org/struct2env v0.4.0 // indirect
 	fortio.org/version v1.0.4 // indirect
+	golang.org/x/crypto/x509roots/fallback v0.0.0-20240604170348-d4e7c9cb6cb8 // indirect
 	golang.org/x/mod v0.18.0 // indirect
 	golang.org/x/net v0.26.0 // indirect
 	golang.org/x/sync v0.7.0 // indirect
diff --git a/go.sum b/go.sum
index 41099d5..4731a45 100644
--- a/go.sum
+++ b/go.sum
@@ -1,6 +1,6 @@
 fortio.org/assert v1.2.1 h1:48I39urpeDj65RP1KguF7akCjILNeu6vICiYMEysR7Q=
-fortio.org/cli v1.5.2 h1:MfEcHAhYyIkwG04/K1YJL946Y8/jyAjmF9WeR5ZG/5E=
-fortio.org/cli v1.5.2/go.mod h1:SdQufh5PLd6oX2EtvtzLFw++gw8zVoejD1WlwGXAvYw=
+fortio.org/cli v1.6.0 h1:EX9zf+BLzgE+yrq2a3XFZz2F8CK1g9ecJj9ZXVOfoww=
+fortio.org/cli v1.6.0/go.mod h1:QSCd+8OD3MrFKo2XwAHVJJu5gz/U0Jg1Vhse/4nHn3I=
 fortio.org/fortio v1.63.10 h1:8LoN24Dr2ktNbvuUjvCBNwWGBJpeR3gzOsq4NXnQX4c=
 fortio.org/fortio v1.63.10/go.mod h1:ruHDZPCFdh8+Q8y8VCVl30LYNADDwq6IIa69/ISx62I=
 fortio.org/log v1.12.2 h1:JwLDFvEUKGfqA09fcf+mOn8kxsvwhjXV92xghxNnnwA=
@@ -13,6 +13,8 @@ fortio.org/version v1.0.4 h1:FWUMpJ+hVTNc4RhvvOJzb0xesrlRmG/a+D6bjbQ4+5U=
 fortio.org/version v1.0.4/go.mod h1:2JQp9Ax+tm6QKiGuzR5nJY63kFeANcgrZ0osoQFDVm0=
 github.com/miekg/dns v1.1.61 h1:nLxbwF3XxhwVSm8g9Dghm9MHPaUZuqhPiGL+675ZmEs=
 github.com/miekg/dns v1.1.61/go.mod h1:mnAarhS3nWaW+NVP2wTkYVIZyHNJ098SJZUki3eykwQ=
+golang.org/x/crypto/x509roots/fallback v0.0.0-20240604170348-d4e7c9cb6cb8 h1:+kWDWI3Eb5cPIOr4cP+R2RLDwK3/dXppL+7XmSOh2LA=
+golang.org/x/crypto/x509roots/fallback v0.0.0-20240604170348-d4e7c9cb6cb8/go.mod h1:kNa9WdvYnzFwC79zRpLRMJbdEFlhyM5RPFBBZp/wWH8=
 golang.org/x/mod v0.18.0 h1:5+9lSbEzPSdWkH32vYPBwEpX8KwDbM52Ud9xBUvNlb0=
 golang.org/x/mod v0.18.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/net v0.26.0 h1:soB7SVo0PWrY4vPW/+ay0jKDNScG2X9wFeYlXIvJsOQ=