diff --git a/go.mod b/go.mod
index eafa4e2..e2d45c5 100644
--- a/go.mod
+++ b/go.mod
@@ -2,7 +2,7 @@ module github.com/go-pdfkit/pdfkit
 
 go 1.26.4
 
-require github.com/go-opentype/opentype v0.6.0
+require github.com/go-opentype/opentype v0.12.0
 
 require (
 	github.com/go-widgets/painter v0.11.0
diff --git a/go.sum b/go.sum
index c33e64c..7640077 100644
--- a/go.sum
+++ b/go.sum
@@ -8,6 +8,8 @@ github.com/go-opentype/fonts v0.8.0 h1:77i3VPIH90GbstzNb21mk+an4WvEOe2idC6W+J0n0
 github.com/go-opentype/fonts v0.8.0/go.mod h1:C6yQL2apHItfEZ5hztpsHF0S5mlX/hklLlq/Z5fRG/g=
 github.com/go-opentype/opentype v0.6.0 h1:2t1Qs/Uo4M+f9gahV5QGihLTTeI/q4s0l7MIsbkd290=
 github.com/go-opentype/opentype v0.6.0/go.mod h1:AOixevJf7XQaH7+WG+OMIOZEbYPXfMqklVk26Y6YTUU=
+github.com/go-opentype/opentype v0.12.0 h1:wBlcDi+3ZaNZXEt5z+Ixr11/cYYwi5W+jX6yTl/qr1I=
+github.com/go-opentype/opentype v0.12.0/go.mod h1:AOixevJf7XQaH7+WG+OMIOZEbYPXfMqklVk26Y6YTUU=
 github.com/go-opentype/shape v0.5.0 h1:jHNaOMHNBdDj5EixOevlrrsi92svMxvVMKN7GYaPfxo=
 github.com/go-opentype/shape v0.5.0/go.mod h1:3ImRYNIj6zpwWQ/DV3BWhgMFfmzDITH6XpZw2auQHTo=
 github.com/go-typeset/bidi v0.3.0 h1:4fjGjejvjE2LzLNzY4si8PkVO321NcsKIiANhWT3jF4=