diff --git a/semconvgen/go.mod b/semconvgen/go.mod
index 73f7c566..e09a4636 100644
--- a/semconvgen/go.mod
+++ b/semconvgen/go.mod
@@ -1,11 +1,12 @@
 module go.opentelemetry.io/build-tools/semconvgen
 
 go 1.22
+toolchain go1.22.5
 
 require (
 	github.com/spf13/pflag v1.0.5
 	go.opentelemetry.io/build-tools v0.14.0
-	golang.org/x/mod v0.20.0
+	golang.org/x/mod v0.21.0
 	golang.org/x/text v0.17.0
 )
 
diff --git a/semconvgen/go.sum b/semconvgen/go.sum
index ad3357fd..dc75aabf 100644
--- a/semconvgen/go.sum
+++ b/semconvgen/go.sum
@@ -6,8 +6,8 @@ github.com/spf13/pflag v1.0.5 h1:iy+VFUOCP1a+8yFto/drg2CJ5u0yRoB7fZw3DKv/JXA=
 github.com/spf13/pflag v1.0.5/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=
 github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsTg=
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
-golang.org/x/mod v0.20.0 h1:utOm6MM3R3dnawAiJgn0y+xvuYRsm1RKM/4giyfDgV0=
-golang.org/x/mod v0.20.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
+golang.org/x/mod v0.21.0 h1:vvrHzRwRfVKSiLrG+d4FMl/Qi4ukBCE6kZlTUkDYRT0=
+golang.org/x/mod v0.21.0/go.mod h1:6SkKJ3Xj0I0BrPOZoBy3bdMptDDU9oJrpohJ3eWZ1fY=
 golang.org/x/text v0.17.0 h1:XtiM5bkSOt+ewxlOE/aE/AKEHibwj/6gvWMl9Rsh0Qc=
 golang.org/x/text v0.17.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=