diff --git a/go.mod b/go.mod
index ac68601..b7b3f1f 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.21.0
 
 require (
 	github.com/ikawaha/httpcheck v1.12.3
-	goa.design/goa/v3 v3.18.0
+	goa.design/goa/v3 v3.18.1
 )
 
 require (
diff --git a/go.sum b/go.sum
index 52e992f..b761925 100644
--- a/go.sum
+++ b/go.sum
@@ -21,8 +21,8 @@ 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=
-goa.design/goa/v3 v3.18.0 h1:rrayPNsJg8WEmgSzS+FFCO9Fv5VtTQ45Oh5rbfE/+4U=
-goa.design/goa/v3 v3.18.0/go.mod h1:jS66/I2PCh9MPwXtFY8vWb4pGQDYz3qVK3TjjvRLEUM=
+goa.design/goa/v3 v3.18.1 h1:bx8K0oqzWYI20IC0Qmjd6tPFrKiw33ClHVb3stnxuoQ=
+goa.design/goa/v3 v3.18.1/go.mod h1:jS66/I2PCh9MPwXtFY8vWb4pGQDYz3qVK3TjjvRLEUM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
diff --git a/testdata/gen/calc/client.go b/testdata/gen/calc/client.go
index 1821d68..2268d8f 100644
--- a/testdata/gen/calc/client.go
+++ b/testdata/gen/calc/client.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc client
 //
diff --git a/testdata/gen/calc/endpoints.go b/testdata/gen/calc/endpoints.go
index 3571abe..59f8f0f 100644
--- a/testdata/gen/calc/endpoints.go
+++ b/testdata/gen/calc/endpoints.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc endpoints
 //
diff --git a/testdata/gen/calc/service.go b/testdata/gen/calc/service.go
index eddc2b0..6af4696 100644
--- a/testdata/gen/calc/service.go
+++ b/testdata/gen/calc/service.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc service
 //
diff --git a/testdata/gen/calc/views/view.go b/testdata/gen/calc/views/view.go
deleted file mode 100644
index fae2b0d..0000000
--- a/testdata/gen/calc/views/view.go
+++ /dev/null
@@ -1,20 +0,0 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
-//
-// calc views
-//
-// Command:
-// $ goa gen calc/design
-
-package views
-
-// EmptyView is a type that runs validations on a projected type.
-type EmptyView struct {
-}
-
-var ()
-
-// ValidateEmptyView runs the validations defined on EmptyView.
-func ValidateEmptyView(result *EmptyView) (err error) {
-
-	return
-}
diff --git a/testdata/gen/http/calc/client/cli.go b/testdata/gen/http/calc/client/cli.go
index 1719211..80a3d1e 100644
--- a/testdata/gen/http/calc/client/cli.go
+++ b/testdata/gen/http/calc/client/cli.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP client CLI support package
 //
diff --git a/testdata/gen/http/calc/client/client.go b/testdata/gen/http/calc/client/client.go
index c336a0d..daa8d25 100644
--- a/testdata/gen/http/calc/client/client.go
+++ b/testdata/gen/http/calc/client/client.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc client HTTP transport
 //
diff --git a/testdata/gen/http/calc/client/encode_decode.go b/testdata/gen/http/calc/client/encode_decode.go
index 6ecf979..6acdb51 100644
--- a/testdata/gen/http/calc/client/encode_decode.go
+++ b/testdata/gen/http/calc/client/encode_decode.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP client encoders and decoders
 //
diff --git a/testdata/gen/http/calc/client/paths.go b/testdata/gen/http/calc/client/paths.go
index 1904697..1805123 100644
--- a/testdata/gen/http/calc/client/paths.go
+++ b/testdata/gen/http/calc/client/paths.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // HTTP request path constructors for the calc service.
 //
diff --git a/testdata/gen/http/calc/client/types.go b/testdata/gen/http/calc/client/types.go
index fcff5fb..665d778 100644
--- a/testdata/gen/http/calc/client/types.go
+++ b/testdata/gen/http/calc/client/types.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP client types
 //
diff --git a/testdata/gen/http/calc/server/encode_decode.go b/testdata/gen/http/calc/server/encode_decode.go
index 3117fed..b45901f 100644
--- a/testdata/gen/http/calc/server/encode_decode.go
+++ b/testdata/gen/http/calc/server/encode_decode.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP server encoders and decoders
 //
diff --git a/testdata/gen/http/calc/server/paths.go b/testdata/gen/http/calc/server/paths.go
index a9cea9e..c0b095c 100644
--- a/testdata/gen/http/calc/server/paths.go
+++ b/testdata/gen/http/calc/server/paths.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // HTTP request path constructors for the calc service.
 //
diff --git a/testdata/gen/http/calc/server/server.go b/testdata/gen/http/calc/server/server.go
index 68209be..662f03b 100644
--- a/testdata/gen/http/calc/server/server.go
+++ b/testdata/gen/http/calc/server/server.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP server
 //
diff --git a/testdata/gen/http/calc/server/types.go b/testdata/gen/http/calc/server/types.go
index 3f77a9a..68d38dc 100644
--- a/testdata/gen/http/calc/server/types.go
+++ b/testdata/gen/http/calc/server/types.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP server types
 //
diff --git a/testdata/gen/http/cli/calc/cli.go b/testdata/gen/http/cli/calc/cli.go
index 7b0fd1f..d27ae64 100644
--- a/testdata/gen/http/cli/calc/cli.go
+++ b/testdata/gen/http/cli/calc/cli.go
@@ -1,4 +1,4 @@
-// Code generated by goa v3.18.0, DO NOT EDIT.
+// Code generated by goa v3.18.1, DO NOT EDIT.
 //
 // calc HTTP client CLI support package
 //
diff --git a/testdata/go.mod b/testdata/go.mod
index 3e72bad..592df0f 100644
--- a/testdata/go.mod
+++ b/testdata/go.mod
@@ -6,7 +6,7 @@ replace github.com/ikawaha/goahttpcheck => ../
 
 require (
 	github.com/ikawaha/goahttpcheck v0.0.0-00010101000000-000000000000
-	goa.design/goa/v3 v3.18.0
+	goa.design/goa/v3 v3.18.1
 )
 
 require (
diff --git a/testdata/go.sum b/testdata/go.sum
index 42355a4..f6d63da 100644
--- a/testdata/go.sum
+++ b/testdata/go.sum
@@ -27,8 +27,8 @@ 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=
-goa.design/goa/v3 v3.18.0 h1:rrayPNsJg8WEmgSzS+FFCO9Fv5VtTQ45Oh5rbfE/+4U=
-goa.design/goa/v3 v3.18.0/go.mod h1:jS66/I2PCh9MPwXtFY8vWb4pGQDYz3qVK3TjjvRLEUM=
+goa.design/goa/v3 v3.18.1 h1:bx8K0oqzWYI20IC0Qmjd6tPFrKiw33ClHVb3stnxuoQ=
+goa.design/goa/v3 v3.18.1/go.mod h1:jS66/I2PCh9MPwXtFY8vWb4pGQDYz3qVK3TjjvRLEUM=
 golang.org/x/mod v0.19.0 h1:fEdghXQSo20giMthA7cd28ZC+jts4amQ3YMXiP5oMQ8=
 golang.org/x/mod v0.19.0/go.mod h1:hTbmBsO62+eylJbnUtE2MGJUyE7QWk4xUqPFrRgJ+7c=
 golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=