diff --git a/examples/golang-network/simple/go.mod b/examples/golang-network/simple/go.mod
index b21b9c4f61c5b..bf9fcedba9a2a 100644
--- a/examples/golang-network/simple/go.mod
+++ b/examples/golang-network/simple/go.mod
@@ -7,7 +7,7 @@ go 1.18
 require (
 	github.com/cncf/xds/go v0.0.0-20231128003011-0fa0005c9caa
 	github.com/envoyproxy/envoy v1.24.0
-	google.golang.org/protobuf v1.33.0
+	google.golang.org/protobuf v1.34.1
 )
 
 require (
diff --git a/examples/golang-network/simple/go.sum b/examples/golang-network/simple/go.sum
index 0478993703bf8..078214f09a013 100644
--- a/examples/golang-network/simple/go.sum
+++ b/examples/golang-network/simple/go.sum
@@ -14,5 +14,5 @@ google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917 h1:
 google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917/go.mod h1:xtjpI3tXFPP051KaWnhvxkiubL/6dJ18vLVf7q2pTOU=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.33.0 h1:uNO2rsAINq/JlFpSdYEKIZ0uKD/R9cpdv0T+yoGwGmI=
-google.golang.org/protobuf v1.33.0/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=
+google.golang.org/protobuf v1.34.1 h1:9ddQBjfCyZPOHPUiPxpYESBLc+T8P3E+Vo4IbKZgFWg=
+google.golang.org/protobuf v1.34.1/go.mod h1:c6P6GXX6sHbq/GpV6MGZEdwhWPcYBgnhAHhKbcUYpos=