diff --git a/examples/grpc/proto/helloworld.pb.go b/examples/grpc/proto/helloworld.pb.go
index eb1cecf4..9a660318 100644
--- a/examples/grpc/proto/helloworld.pb.go
+++ b/examples/grpc/proto/helloworld.pb.go
@@ -19,9 +19,9 @@ import (
 	fmt "fmt"
 	math "math"
 
+	proto "github.com/golang/protobuf/proto"
 	context "golang.org/x/net/context"
 	grpc "google.golang.org/grpc"
-	proto "google.golang.org/protobuf/proto"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.
diff --git a/go.mod b/go.mod
index b4faea03..d0b4e7c6 100644
--- a/go.mod
+++ b/go.mod
@@ -2,21 +2,21 @@ module go.opencensus.io
 
 require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da
+	github.com/golang/protobuf v1.5.2
 	github.com/google/go-cmp v0.5.6
 	github.com/stretchr/testify v1.8.1
 	golang.org/x/net v0.1.0
 	google.golang.org/grpc v1.50.1
-	google.golang.org/protobuf v1.28.1
 )
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/golang/protobuf v1.5.2 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/sys v0.1.0 // indirect
 	golang.org/x/text v0.4.0 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20221027153422-115e99e71e1c // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
diff --git a/internal/testpb/test.pb.go b/internal/testpb/test.pb.go
index da1a5b94..c7738e2c 100644
--- a/internal/testpb/test.pb.go
+++ b/internal/testpb/test.pb.go
@@ -19,9 +19,9 @@ import (
 	fmt "fmt"
 	math "math"
 
+	proto "github.com/golang/protobuf/proto"
 	context "golang.org/x/net/context"
 	grpc "google.golang.org/grpc"
-	proto "google.golang.org/protobuf/proto"
 )
 
 // Reference imports to suppress errors if they are not otherwise used.