diff --git a/go.mod b/go.mod
index 8417cdb8..dc67f5e5 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module github.com/plgd-dev/go-coap/v3
 
-go 1.20
+go 1.23.0
+
+toolchain go1.24.6
 
 require (
 	github.com/dsnet/golib/memfile v1.0.0
@@ -28,5 +30,5 @@ replace (
 	golang.org/x/exp => golang.org/x/exp v0.0.0-20240904232852-e7e105dedf7e
 	golang.org/x/net => golang.org/x/net v0.35.0
 	golang.org/x/sync => golang.org/x/sync v0.11.0
-	golang.org/x/sys => golang.org/x/sys v0.30.0
+	golang.org/x/sys => golang.org/x/sys v0.35.0
 )
diff --git a/go.sum b/go.sum
index 4dcc399c..0ff92415 100644
--- a/go.sum
+++ b/go.sum
@@ -22,8 +22,8 @@ golang.org/x/net v0.35.0 h1:T5GQRQb2y08kTAByq9L4/bz8cipCdA8FbRTXewonqY8=
 golang.org/x/net v0.35.0/go.mod h1:EglIi67kWsHKlRzzVMUD93VMSWGFOMSZgxFjparz1Qk=
 golang.org/x/sync v0.11.0 h1:GGz8+XQP4FvTTrjZPzNKTMFtSXH80RAzG+5ghFPgK9w=
 golang.org/x/sync v0.11.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.30.0 h1:QjkSwP/36a20jFYWkSue1YwXzLmsV5Gfq7Eiy72C1uc=
-golang.org/x/sys v0.30.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.35.0 h1:vz1N37gP5bs89s7He8XuIYXpyY0+QlsKmzipCbUtyxI=
+golang.org/x/sys v0.35.0/go.mod h1:BJP2sWEmIv4KK5OTEluFJCKSidICx8ciO85XgH3Ak8k=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=