diff --git a/go.mod b/go.mod
index a383f64..8d7df6c 100644
--- a/go.mod
+++ b/go.mod
@@ -3,13 +3,13 @@ module go.devnw.com/mail
 go 1.21
 
 require (
-	github.com/mnako/letters v0.2.2
+	github.com/mnako/letters v0.2.3
 	github.com/zeebo/assert v1.3.1
 	go.atomizer.io/stream v1.0.7
 )
 
 require (
 	go.structs.dev/gen v1.0.1 // indirect
-	golang.org/x/net v0.23.0 // indirect
-	golang.org/x/text v0.14.0 // indirect
+	golang.org/x/net v0.30.0 // indirect
+	golang.org/x/text v0.19.0 // indirect
 )
diff --git a/go.sum b/go.sum
index 85ce450..ea7a644 100644
--- a/go.sum
+++ b/go.sum
@@ -1,12 +1,12 @@
-github.com/mnako/letters v0.2.2 h1:koVahnzazHIq3aQnjVZE5SBJ7ZG/mXK6uSM4Jh70Naw=
-github.com/mnako/letters v0.2.2/go.mod h1:8DKs/xAQ9A7TP8zrLiZPvlrX5synZnvRyTT5Ja+QUK4=
+github.com/mnako/letters v0.2.3 h1:giw7XHuNfb07atYN/2BSY3tZBEURVXvl1HOqGP1dI0g=
+github.com/mnako/letters v0.2.3/go.mod h1:qh0kfFRXPXnzGpbqASW/nfw339qsII7yMmZYzP30o/A=
 github.com/zeebo/assert v1.3.1 h1:vukIABvugfNMZMQO1ABsyQDJDTVQbn+LWSMy1ol1h6A=
 github.com/zeebo/assert v1.3.1/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
 go.atomizer.io/stream v1.0.7 h1:ioEU8tmj6hif3Ha1d0DiFZ+IDeV1ZceIOqXybRrvi4I=
 go.atomizer.io/stream v1.0.7/go.mod h1:dZMYp2fUFjWlQke91O/kJb+FslZy8thQZzUl9vVMr84=
 go.structs.dev/gen v1.0.1 h1:tp81qXTWF61tgmyCVqBBdQcEMp9Ftlo5/ekkm+wVkYk=
 go.structs.dev/gen v1.0.1/go.mod h1:Y1KXGuqAQdeL0G485oZzpgVwVZ4x+/7/ViNdQJuINo4=
-golang.org/x/net v0.23.0 h1:7EYJ93RZ9vYSZAIb2x3lnuvqO5zneoD6IvWjuhfxjTs=
-golang.org/x/net v0.23.0/go.mod h1:JKghWKKOSdJwpW2GEx0Ja7fmaKnMsbu+MWVZTokSYmg=
-golang.org/x/text v0.14.0 h1:ScX5w1eTa3QqT8oi6+ziP7dTV1S2+ALU0bI+0zXKWiQ=
-golang.org/x/text v0.14.0/go.mod h1:18ZOQIKpY8NJVqYksKHtTdi31H5itFRjB5/qKTNYzSU=
+golang.org/x/net v0.30.0 h1:AcW1SDZMkb8IpzCdQUaIq2sP4sZ4zw+55h6ynffypl4=
+golang.org/x/net v0.30.0/go.mod h1:2wGyMJ5iFasEhkwi13ChkO/t1ECNC4X4eBKkVFyYFlU=
+golang.org/x/text v0.19.0 h1:kTxAhCbGbxhK0IwgSKiMO5awPoDQ0RpfiVYBfK860YM=
+golang.org/x/text v0.19.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=