diff --git a/golang-http/simple/go.mod b/golang-http/simple/go.mod
index 629ab600..42d60823 100644
--- a/golang-http/simple/go.mod
+++ b/golang-http/simple/go.mod
@@ -7,7 +7,7 @@ go 1.25.0
 require (
 	github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5
 	github.com/envoyproxy/envoy v1.39.0
-	google.golang.org/protobuf v1.36.11
+	google.golang.org/protobuf v1.36.12
 )
 
 require (
diff --git a/golang-http/simple/go.sum b/golang-http/simple/go.sum
index 1ce17d2f..fe7c7e9a 100644
--- a/golang-http/simple/go.sum
+++ b/golang-http/simple/go.sum
@@ -12,5 +12,5 @@ google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217 h1:
 google.golang.org/genproto/googleapis/api v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:+rXWjjaukWZun3mLfjmVnQi18E1AsFbDN9QdJ5YXLto=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217 h1:gRkg/vSppuSQoDjxyiGfN4Upv/h/DQmIR10ZU8dh4Ww=
 google.golang.org/genproto/googleapis/rpc v0.0.0-20251202230838-ff82c1b0f217/go.mod h1:7i2o+ce6H/6BluujYR+kqX3GKH+dChPTQU19wjRPiGk=
-google.golang.org/protobuf v1.36.11 h1:fV6ZwhNocDyBLK0dj+fg8ektcVegBBuEolpbTQyBNVE=
-google.golang.org/protobuf v1.36.11/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=
+google.golang.org/protobuf v1.36.12 h1:pJOKDDOyeXErUroCihFAd5LQuwXBSpVnKGrj5o/fwxc=
+google.golang.org/protobuf v1.36.12/go.mod h1:HTf+CrKn2C3g5S8VImy6tdcUvCska2kB7j23XfzDpco=