diff --git a/api/api.go b/api/api.go
new file mode 100644
index 0000000..f7bf32e
--- /dev/null
+++ b/api/api.go
@@ -0,0 +1 @@
+package api // import "go.unistack.org/micro-proto/v3/api"
diff --git a/openapiv2/openapiv2.go b/openapiv2/openapiv2.go
new file mode 100644
index 0000000..d2147c8
--- /dev/null
+++ b/openapiv2/openapiv2.go
@@ -0,0 +1 @@
+package openapiv2 // import "go.unistack.org/micro-proto/v3/openapiv2"
diff --git a/openapiv3/openapiv3.go b/openapiv3/openapiv3.go
new file mode 100644
index 0000000..fce6b24
--- /dev/null
+++ b/openapiv3/openapiv3.go
@@ -0,0 +1 @@
+package openapiv3 // import "go.unistack.org/micro-proto/v3/openapiv3"
diff --git a/tag/tag.go b/tag/tag.go
new file mode 100644
index 0000000..1597d4a
--- /dev/null
+++ b/tag/tag.go
@@ -0,0 +1 @@
+package tag // import "go.unistack.org/micro-proto/v3/tag"