diff --git a/vendor/gobook.examples/ch4-04/02/HelloService/hello.pb.go b/vendor/ch4-04/02/HelloService/hello.pb.go
similarity index 100%
rename from vendor/gobook.examples/ch4-04/02/HelloService/hello.pb.go
rename to vendor/ch4-04/02/HelloService/hello.pb.go
diff --git a/vendor/gobook.examples/ch4-04/02/HelloService/hello.proto b/vendor/ch4-04/02/HelloService/hello.proto
similarity index 100%
rename from vendor/gobook.examples/ch4-04/02/HelloService/hello.proto
rename to vendor/ch4-04/02/HelloService/hello.proto
diff --git a/vendor/gobook.examples/ch4-04/02/client/main.go b/vendor/ch4-04/02/client/main.go
similarity index 94%
rename from vendor/gobook.examples/ch4-04/02/client/main.go
rename to vendor/ch4-04/02/client/main.go
index cb2de78..fec2a39 100644
--- a/vendor/gobook.examples/ch4-04/02/client/main.go
+++ b/vendor/ch4-04/02/client/main.go
@@ -9,7 +9,7 @@ import (
 
 	"google.golang.org/grpc"
 
-	hs "gobook.examples/ch4-04/02/HelloService"
+	hs "ch4-04/02/HelloService"
 )
 
 func main() {
diff --git a/vendor/gobook.examples/ch4-04/02/server/main.go b/vendor/ch4-04/02/server/main.go
similarity index 94%
rename from vendor/gobook.examples/ch4-04/02/server/main.go
rename to vendor/ch4-04/02/server/main.go
index d01d889..2564414 100644
--- a/vendor/gobook.examples/ch4-04/02/server/main.go
+++ b/vendor/ch4-04/02/server/main.go
@@ -8,7 +8,7 @@ import (
 
 	"google.golang.org/grpc"
 
-	hs "gobook.examples/ch4-04/02/HelloService"
+	hs "ch4-04/02/HelloService"
 )
 
 type HelloServiceImpl struct{}