diff --git a/semconvgen/go.mod b/semconvgen/go.mod
index 544ff5f4..a3b55cf1 100644
--- a/semconvgen/go.mod
+++ b/semconvgen/go.mod
@@ -6,7 +6,7 @@ require (
 	github.com/spf13/pflag v1.0.5
 	go.opentelemetry.io/build-tools v0.15.0
 	golang.org/x/mod v0.22.0
-	golang.org/x/text v0.20.0
+	golang.org/x/text v0.21.0
 )
 
 replace go.opentelemetry.io/build-tools => ../
diff --git a/semconvgen/go.sum b/semconvgen/go.sum
index 8b3986b6..5210dab7 100644
--- a/semconvgen/go.sum
+++ b/semconvgen/go.sum
@@ -8,7 +8,7 @@ github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOf
 github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 golang.org/x/mod v0.22.0 h1:D4nJWe9zXqHOmWqj4VMOJhvzj7bEZg4wEYa759z1pH4=
 golang.org/x/mod v0.22.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
-golang.org/x/text v0.20.0 h1:gK/Kv2otX8gz+wn7Rmb3vT96ZwuoxnQlY+HlJVj7Qug=
-golang.org/x/text v0.20.0/go.mod h1:D4IsuqiFMhST5bX19pQ9ikHC2GsaKyk/oF+pn3ducp4=
+golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
+golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=