diff --git a/golang-http/simple/go.mod b/golang-http/simple/go.mod
index 9c7402bd..a58595b4 100644
--- a/golang-http/simple/go.mod
+++ b/golang-http/simple/go.mod
@@ -8,7 +8,7 @@ toolchain go1.24.9
 // NOTICE: these lines could be generated automatically by "go mod tidy"
 require (
 	github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5
-	github.com/envoyproxy/envoy v1.38.0
+	github.com/envoyproxy/envoy v1.38.1
 	google.golang.org/protobuf v1.36.11
 )
 
diff --git a/golang-http/simple/go.sum b/golang-http/simple/go.sum
index 79672988..21097e10 100644
--- a/golang-http/simple/go.sum
+++ b/golang-http/simple/go.sum
@@ -2,8 +2,8 @@ cel.dev/expr v0.24.0 h1:56OvJKSH3hDGL0ml5uSxZmz3/3Pq4tJ+fb1unVLAFcY=
 cel.dev/expr v0.24.0/go.mod h1:hLPLo1W4QUmuYdA72RBX06QTs6MXw941piREPl3Yfiw=
 github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5 h1:6xNmx7iTtyBRev0+D/Tv1FZd4SCg8axKApyNyRsAt/w=
 github.com/cncf/xds/go v0.0.0-20251210132809-ee656c7534f5/go.mod h1:KdCmV+x/BuvyMxRnYBlmVaq4OLiKW6iRQfvC62cvdkI=
-github.com/envoyproxy/envoy v1.38.0 h1:ynRtRuy5kLsS4buHBiHNRpBjM300btvYU+rumJZzlBg=
-github.com/envoyproxy/envoy v1.38.0/go.mod h1:hFED6oPoV8wTEWuBDOFztqomXEriB6I09ielVdcShRc=
+github.com/envoyproxy/envoy v1.38.1 h1:hELl+eid7HokDbAhG2dJxIjGlGMpHFLdmW9URt/kxLQ=
+github.com/envoyproxy/envoy v1.38.1/go.mod h1:hFED6oPoV8wTEWuBDOFztqomXEriB6I09ielVdcShRc=
 github.com/envoyproxy/protoc-gen-validate v1.3.0 h1:TvGH1wof4H33rezVKWSpqKz5NXWg5VPuZ0uONDT6eb4=
 github.com/envoyproxy/protoc-gen-validate v1.3.0/go.mod h1:HvYl7zwPa5mffgyeTUHA9zHIH36nmrm7oCbo4YKoSWA=
 github.com/google/go-cmp v0.7.0 h1:wk8382ETsv4JYUZwIsn6YpYiWiBsYLSJiTsyBybVuN8=