diff --git a/go.mod b/go.mod
index 4290904..f8da522 100644
--- a/go.mod
+++ b/go.mod
@@ -1,16 +1,15 @@
 module github.com/sacloud/go-otelsetup
 
 go 1.22
-
-toolchain go1.22.3
+toolchain go1.22.5
 
 require (
-	go.opentelemetry.io/otel v1.32.0
+	go.opentelemetry.io/otel v1.33.0
 	go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.32.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.32.0
 	go.opentelemetry.io/otel/sdk v1.32.0
 	go.opentelemetry.io/otel/sdk/metric v1.32.0
-	go.opentelemetry.io/otel/trace v1.32.0
+	go.opentelemetry.io/otel/trace v1.33.0
 )
 
 require (
@@ -19,8 +18,9 @@ require (
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.23.0 // indirect
+	go.opentelemetry.io/auto/sdk v1.1.0 // indirect
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.32.0 // indirect
-	go.opentelemetry.io/otel/metric v1.32.0 // indirect
+	go.opentelemetry.io/otel/metric v1.33.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.3.1 // indirect
 	golang.org/x/net v0.30.0 // indirect
 	golang.org/x/sys v0.27.0 // indirect
diff --git a/go.sum b/go.sum
index d17c201..2e84dc7 100644
--- a/go.sum
+++ b/go.sum
@@ -15,24 +15,26 @@ github.com/grpc-ecosystem/grpc-gateway/v2 v2.23.0 h1:ad0vkEBuk23VJzZR9nkLVG0YAoN
 github.com/grpc-ecosystem/grpc-gateway/v2 v2.23.0/go.mod h1:igFoXX2ELCW06bol23DWPB5BEWfZISOzSP5K2sbLea0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
-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=
-go.opentelemetry.io/otel v1.32.0 h1:WnBN+Xjcteh0zdk01SVqV55d/m62NJLJdIyb4y/WO5U=
-go.opentelemetry.io/otel v1.32.0/go.mod h1:00DCVSB0RQcnzlwyTfqtxSm+DRr9hpYrHjNGiBHVQIg=
+github.com/stretchr/testify v1.10.0 h1:Xv5erBjTwe/5IxqUQTdXv5kgmIvbHo3QQyRwhJsOfJA=
+github.com/stretchr/testify v1.10.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
+go.opentelemetry.io/auto/sdk v1.1.0 h1:cH53jehLUN6UFLY71z+NDOiNJqDdPRaXzTel0sJySYA=
+go.opentelemetry.io/auto/sdk v1.1.0/go.mod h1:3wSPjt5PWp2RhlCcmmOial7AvC4DQqZb7a7wCow3W8A=
+go.opentelemetry.io/otel v1.33.0 h1:/FerN9bax5LoK51X/sI0SVYrjSE0/yUL7DpxW4K3FWw=
+go.opentelemetry.io/otel v1.33.0/go.mod h1:SUUkR6csvUQl+yjReHu5uM3EtVV7MBm5FHKRlNx4I8I=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.32.0 h1:j7ZSD+5yn+lo3sGV69nW04rRR0jhYnBwjuX3r0HvnK0=
 go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc v1.32.0/go.mod h1:WXbYJTUaZXAbYd8lbgGuvih0yuCfOFC5RJoYnoLcGz8=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.32.0 h1:IJFEoHiytixx8cMiVAO+GmHR6Frwu+u5Ur8njpFO6Ac=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.32.0/go.mod h1:3rHrKNtLIoS0oZwkY2vxi+oJcwFRWdtUyRII+so45p8=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.32.0 h1:9kV11HXBHZAvuPUZxmMWrH8hZn/6UnHX4K0mu36vNsU=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.32.0/go.mod h1:JyA0FHXe22E1NeNiHmVp7kFHglnexDQ7uRWDiiJ1hKQ=
-go.opentelemetry.io/otel/metric v1.32.0 h1:xV2umtmNcThh2/a/aCP+h64Xx5wsj8qqnkYZktzNa0M=
-go.opentelemetry.io/otel/metric v1.32.0/go.mod h1:jH7CIbbK6SH2V2wE16W05BHCtIDzauciCRLoc/SyMv8=
+go.opentelemetry.io/otel/metric v1.33.0 h1:r+JOocAyeRVXD8lZpjdQjzMadVZp2M4WmQ+5WtEnklQ=
+go.opentelemetry.io/otel/metric v1.33.0/go.mod h1:L9+Fyctbp6HFTddIxClbQkjtubW6O9QS3Ann/M82u6M=
 go.opentelemetry.io/otel/sdk v1.32.0 h1:RNxepc9vK59A8XsgZQouW8ue8Gkb4jpWtJm9ge5lEG4=
 go.opentelemetry.io/otel/sdk v1.32.0/go.mod h1:LqgegDBjKMmb2GC6/PrTnteJG39I8/vJCAP9LlJXEjU=
 go.opentelemetry.io/otel/sdk/metric v1.32.0 h1:rZvFnvmvawYb0alrYkjraqJq0Z4ZUJAiyYCU9snn1CU=
 go.opentelemetry.io/otel/sdk/metric v1.32.0/go.mod h1:PWeZlq0zt9YkYAp3gjKZ0eicRYvOh1Gd+X99x6GHpCQ=
-go.opentelemetry.io/otel/trace v1.32.0 h1:WIC9mYrXf8TmY/EXuULKc8hR17vE+Hjv2cssQDe03fM=
-go.opentelemetry.io/otel/trace v1.32.0/go.mod h1:+i4rkvCraA+tG6AzwloGaCtkx53Fa+L+V8e9a7YvhT8=
+go.opentelemetry.io/otel/trace v1.33.0 h1:cCJuF7LRjUFso9LPnEAHJDB2pqzp+hbO8eu1qqW2d/s=
+go.opentelemetry.io/otel/trace v1.33.0/go.mod h1:uIcdVUZMpTAmz0tI1z04GoVSezK37CbGV4fr1f2nBck=
 go.opentelemetry.io/proto/otlp v1.3.1 h1:TrMUixzpM0yuc/znrFTP9MMRh8trP93mkCiDVeXrui0=
 go.opentelemetry.io/proto/otlp v1.3.1/go.mod h1:0X1WI4de4ZsLrrJNLAQbFeLCm3T7yBkR0XqQ7niQU+8=
 go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=