diff --git a/go.mod b/go.mod
index 6d90fcb7..ba8566df 100644
--- a/go.mod
+++ b/go.mod
@@ -24,7 +24,7 @@ require (
 	github.com/rs/cors v1.11.1
 	github.com/spf13/pflag v1.0.5
 	github.com/transparency-dev/merkle v0.0.2
-	gocloud.dev v0.39.0
+	gocloud.dev v0.40.0
 	golang.org/x/net v0.29.0
 )
 
diff --git a/go.sum b/go.sum
index f85f2c1c..c40d73af 100644
--- a/go.sum
+++ b/go.sum
@@ -233,8 +233,8 @@ go.opentelemetry.io/otel/sdk v1.24.0 h1:YMPPDNymmQN3ZgczicBY3B6sf9n62Dlj9pWD3ucg
 go.opentelemetry.io/otel/sdk v1.24.0/go.mod h1:KVrIYw6tEubO9E96HQpcmpTKDVn9gdv35HoYiQWGDFg=
 go.opentelemetry.io/otel/trace v1.28.0 h1:GhQ9cUuQGmNDd5BTCP2dAvv75RdMxEfTmYejp+lkx9g=
 go.opentelemetry.io/otel/trace v1.28.0/go.mod h1:jPyXzNPg6da9+38HEwElrQiHlVMTnVfM3/yv2OlIHaI=
-gocloud.dev v0.39.0 h1:EYABYGhAalPUaMrbSKOr5lejxoxvXj99nE8XFtsDgds=
-gocloud.dev v0.39.0/go.mod h1:drz+VyYNBvrMTW0KZiBAYEdl8lbNZx+OQ7oQvdrFmSQ=
+gocloud.dev v0.40.0 h1:f8LgP+4WDqOG/RXoUcyLpeIAGOcAbZrZbDQCUee10ng=
+gocloud.dev v0.40.0/go.mod h1:drz+VyYNBvrMTW0KZiBAYEdl8lbNZx+OQ7oQvdrFmSQ=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20210921155107-089bfa567519/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc=