diff --git a/go.mod b/go.mod
index 2c7b771..95e6ea3 100644
--- a/go.mod
+++ b/go.mod
@@ -9,9 +9,9 @@ require (
 	fortio.org/dflag v1.7.3
 	fortio.org/fortio v1.67.1
 	fortio.org/log v1.17.1
-	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.55.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0
-	go.opentelemetry.io/contrib/propagators/b3 v1.30.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.56.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0
+	go.opentelemetry.io/contrib/propagators/b3 v1.31.0
 	go.opentelemetry.io/otel v1.31.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.31.0
 	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.31.0
diff --git a/go.sum b/go.sum
index d1417db..a91d2c9 100644
--- a/go.sum
+++ b/go.sum
@@ -45,12 +45,12 @@ github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZb
 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/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.55.0 h1:sqmsIQ75l6lfZjjpnXXT9DFVtYEDg6CH0/Cn4/3A1Wg=
-go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.55.0/go.mod h1:rsg1EO8LXSs2po50PB5CeY/MSVlhghuKBgXlKnqm6ks=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0 h1:ZIg3ZT/aQ7AfKqdwp7ECpOK6vHqquXXuyTjIO8ZdmPs=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.55.0/go.mod h1:DQAwmETtZV00skUwgD6+0U89g80NKsJE3DCKeLLPQMI=
-go.opentelemetry.io/contrib/propagators/b3 v1.30.0 h1:vumy4r1KMyaoQRltX7cJ37p3nluzALX9nugCjNNefuY=
-go.opentelemetry.io/contrib/propagators/b3 v1.30.0/go.mod h1:fRbvRsaeVZ82LIl3u0rIvusIel2UUf+JcaaIpy5taho=
+go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.56.0 h1:4BZHA+B1wXEQoGNHxW8mURaLhcdGwvRnmhGbm+odRbc=
+go.opentelemetry.io/contrib/instrumentation/net/http/httptrace/otelhttptrace v0.56.0/go.mod h1:3qi2EEwMgB4xnKgPLqsDP3j9qxnHDZeHsnAxfjQqTko=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0 h1:UP6IpuHFkUgOQL9FFQFrZ+5LiwhhYRbi7VZSIx6Nj5s=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.56.0/go.mod h1:qxuZLtbq5QDtdeSHsS7bcf6EH6uO6jUAgk764zd3rhM=
+go.opentelemetry.io/contrib/propagators/b3 v1.31.0 h1:PQPXYscmwbCp76QDvO4hMngF2j8Bx/OTV86laEl8uqo=
+go.opentelemetry.io/contrib/propagators/b3 v1.31.0/go.mod h1:jbqfV8wDdqSDrAYxVpXQnpM0XFMq2FtDesblJ7blOwQ=
 go.opentelemetry.io/otel v1.31.0 h1:NsJcKPIW0D0H3NgzPDHmo0WW6SptzPdqg/L1zsIm2hY=
 go.opentelemetry.io/otel v1.31.0/go.mod h1:O0C14Yl9FgkjqcCZAsE053C13OaddMYr/hz6clDkEJE=
 go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.31.0 h1:K0XaT3DwHAcV4nKLzcQvwAgSyisUghWoY20I7huthMk=