diff --git a/expr/http_body_types.go b/expr/http_body_types.go
index 5b0e43f18c..09724a19e9 100644
--- a/expr/http_body_types.go
+++ b/expr/http_body_types.go
@@ -128,6 +128,9 @@ func httpRequestBody(a *HTTPEndpointExpr) *AttributeExpr {
 	if a.Body != nil {
 		a.Body = DupAtt(a.Body)
 		renameType(a.Body, name, suffix)
+		if ut, ok := a.Body.Type.(*UserTypeExpr); ok {
+			ut.UID = a.Service.Name() + "#" + name
+		}
 		return a.Body
 	}
 
@@ -222,7 +225,7 @@ func httpStreamingBody(e *HTTPEndpointExpr) *AttributeExpr {
 	ut := &UserTypeExpr{
 		AttributeExpr: DupAtt(att),
 		TypeName:      concat(e.Name(), "Streaming", "Body"),
-		UID:           concat(e.Service.Name(), e.Name(), "Streaming", "Body"),
+		UID:           e.Service.Name() + "#" + e.Name() + "StreamingBody",
 	}
 	appendSuffix(ut.Attribute().Type, suffix)
 
@@ -282,6 +285,12 @@ func buildHTTPResponseBody(name string, attr *AttributeExpr, resp *HTTPResponseE
 		}
 		att := DupAtt(resp.Body)
 		renameType(att, name, suffix)
+		if ut, ok := att.Type.(*UserTypeExpr); ok {
+			ut.UID = svc.Name() + "#" + name
+		}
+		if rt, ok := att.Type.(*ResultTypeExpr); ok {
+			rt.UID = svc.Name() + "#" + name
+		}
 		return att
 	}
 
diff --git a/go.mod b/go.mod
index 1db515b158..7da63e890c 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,8 @@
 module goa.design/goa/v3
 
-go 1.21.0
+go 1.22.0
+
+toolchain go1.23.1
 
 require (
 	github.com/dimfeld/httppath v0.0.0-20170720192232-ee938bf73598
@@ -12,8 +14,8 @@ require (
 	github.com/pkg/errors v0.9.1
 	github.com/stretchr/testify v1.9.0
 	golang.org/x/text v0.18.0
-	golang.org/x/tools v0.24.0
-	google.golang.org/grpc v1.66.1
+	golang.org/x/tools v0.25.0
+	google.golang.org/grpc v1.67.0
 	google.golang.org/protobuf v1.34.2
 	gopkg.in/yaml.v3 v3.0.1
 )
@@ -29,9 +31,9 @@ require (
 	github.com/mohae/deepcopy v0.0.0-20170929034955-c48cc78d4826 // indirect
 	github.com/perimeterx/marshmallow v1.1.5 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
-	golang.org/x/mod v0.20.0 // indirect
-	golang.org/x/net v0.28.0 // indirect
+	golang.org/x/mod v0.21.0 // indirect
+	golang.org/x/net v0.29.0 // indirect
 	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.23.0 // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 // indirect
 )
diff --git a/go.sum b/go.sum
index 2541c950ab..2c807418ed 100644
--- a/go.sum
+++ b/go.sum
@@ -46,22 +46,22 @@ github.com/stretchr/testify v1.9.0 h1:HtqpIVDClZ4nwg75+f6Lvsy/wHu+3BoSGCbBAcpTsT
 github.com/stretchr/testify v1.9.0/go.mod h1:r2ic/lqez/lEtzL7wO/rwa5dbSLXVDPFyf8C91i36aY=
 github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=
 github.com/ugorji/go/codec v1.2.7/go.mod h1:WGN1fab3R1fzQlVQTkfxVtIBhWDRqOviHU95kRgeqEY=
-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/net v0.28.0 h1:a9JDOJc5GMUJ0+UDqmLT86WiEy7iWyIhz8gz8E4e5hE=
-golang.org/x/net v0.28.0/go.mod h1:yqtgsTWOOnlGLG9GFRrK3++bGOUEkNBoHZc8MEDWPNg=
+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/net v0.29.0 h1:5ORfpBpCs4HzDYoodCDBbwHzdR5UrLBZ3sOnUJmFoHo=
+golang.org/x/net v0.29.0/go.mod h1:gLkgy8jTGERgjzMic6DS9+SP0ajcu6Xu3Orq/SpETg0=
 golang.org/x/sync v0.8.0 h1:3NFvSEYkUoMifnESzZl15y791HH1qU2xm6eCJU5ZPXQ=
 golang.org/x/sync v0.8.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
-golang.org/x/sys v0.23.0 h1:YfKFowiIMvtgl1UERQoTPPToxltDeZfbj4H7dVUCwmM=
-golang.org/x/sys v0.23.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/sys v0.25.0 h1:r+8e+loiHxRqhXVl6ML1nO3l1+oFoWbnlu2Ehimmi34=
+golang.org/x/sys v0.25.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/text v0.18.0 h1:XvMDiNzPAl0jr17s6W9lcaIhGUfUORdGCNsuLmPG224=
 golang.org/x/text v0.18.0/go.mod h1:BuEKDfySbSR4drPmRPG/7iBdf8hvFMuRexcpahXilzY=
-golang.org/x/tools v0.24.0 h1:J1shsA93PJUEVaUSaay7UXAyE8aimq3GW0pjlolpa24=
-golang.org/x/tools v0.24.0/go.mod h1:YhNqVBIfWHdzvTLs0d8LCuMhkKUgSUKldakyV7W/WDQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a h1:hqK4+jJZXCU4pW7jsAdGOVFIfLHQeV7LaizZKnZ84HI=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20240723171418-e6d459c13d2a/go.mod h1:Ue6ibwXGpU+dqIcODieyLOcgj7z8+IcskoNIgZxtrFY=
-google.golang.org/grpc v1.66.1 h1:hO5qAXR19+/Z44hmvIM4dQFMSYX9XcWsByfoxutBpAM=
-google.golang.org/grpc v1.66.1/go.mod h1:s3/l6xSSCURdVfAnL+TqCNMyTDAGN6+lZeVxnZR128Y=
+golang.org/x/tools v0.25.0 h1:oFU9pkj/iJgs+0DT+VMHrx+oBKs/LJMV+Uvg78sl+fE=
+golang.org/x/tools v0.25.0/go.mod h1:/vtpO8WL1N9cQC3FN5zPqb//fRXskFHbLKk4OW1Q7rg=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1 h1:pPJltXNxVzT4pK9yD8vR9X75DaWYYmLGMsEvBfFQZzQ=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240903143218-8af14fe29dc1/go.mod h1:UqMtugtsSgubUsoxbuAoiCXvqvErP7Gf0so0mK9tHxU=
+google.golang.org/grpc v1.67.0 h1:IdH9y6PF5MPSdAntIcpjQ+tXO41pcQsfZV2RxtQgVcw=
+google.golang.org/grpc v1.67.0/go.mod h1:1gLDyUQU7CTLJI90u3nXZ9ekeghjeM7pTDZlqFNg2AA=
 google.golang.org/protobuf v1.34.2 h1:6xV6lTsCfpGD21XK49h7MhtcApnLqkfYgPcdHftf6hg=
 google.golang.org/protobuf v1.34.2/go.mod h1:qYOHts0dSfpeUzUFpOMr/WGzszTmLH+DiWniOlNbLDw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/http/codegen/openapi/v3/example.go b/http/codegen/openapi/v3/example.go
index 35bd226e0c..e8f9e35563 100644
--- a/http/codegen/openapi/v3/example.go
+++ b/http/codegen/openapi/v3/example.go
@@ -1,6 +1,8 @@
 package openapiv3
 
-import "goa.design/goa/v3/expr"
+import (
+	"goa.design/goa/v3/expr"
+)
 
 type (
 	// exampler is the interface used to initialize the example of an