diff --git a/command/connect/envoy/exec_windows.go b/command/connect/envoy/exec_windows.go
index 61f0404839..8e2fdca992 100644
--- a/command/connect/envoy/exec_windows.go
+++ b/command/connect/envoy/exec_windows.go
@@ -12,13 +12,15 @@ import (
 	"path/filepath"
 
 	"time"
+
+	"github.com/go-mmap/mmap"
 )
 
 func makeBootstrapTemp(bootstrapJSON []byte) (string, error) {
 	tempFile := filepath.Join(os.TempDir(),
 		fmt.Sprintf("envoy-%x-bootstrap.json", time.Now().UnixNano()+int64(os.Getpid())))
 
-	f, err := os.Create(tempFile)
+	f, err := mmap.Open(tempFile, mmap.Write)
 	if err != nil {
 		return tempFile, err
 	}
diff --git a/go.mod b/go.mod
index 89ef735d98..8f4c6f4f36 100644
--- a/go.mod
+++ b/go.mod
@@ -155,6 +155,7 @@ require (
 	github.com/form3tech-oss/jwt-go v3.2.2+incompatible // indirect
 	github.com/go-logr/logr v1.2.4 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
+	github.com/go-mmap/mmap v0.7.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-openapi/analysis v0.21.4 // indirect
 	github.com/go-openapi/errors v0.20.3 // indirect
diff --git a/go.sum b/go.sum
index 59ebf57327..14190d3923 100644
--- a/go.sum
+++ b/go.sum
@@ -315,6 +315,8 @@ github.com/go-logr/logr v1.2.4 h1:g01GSCwiDw2xSZfjJ2/T9M+S6pFdcNtFYsp+Y43HYDQ=
 github.com/go-logr/logr v1.2.4/go.mod h1:jdQByPbusPIv2/zmleS9BjJVeZ6kBagPoEUsqbVz/1A=
 github.com/go-logr/stdr v1.2.2 h1:hSWxHoqTgW2S2qGc0LTAI563KZ5YKYRhT3MFKZMbjag=
 github.com/go-logr/stdr v1.2.2/go.mod h1:mMo/vtBO5dYbehREoey6XUKy/eSumjCCveDpRre4VKE=
+github.com/go-mmap/mmap v0.7.0 h1:+h1n06sZw0IWBwL9YDzTomNNXxM4LH/l+HVpGaTC+qk=
+github.com/go-mmap/mmap v0.7.0/go.mod h1:moN8m00bW6Mpk+Y1xQFeL3xZqycnT4qUAf852ICV/Gc=
 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-openapi/analysis v0.21.2/go.mod h1:HZwRk4RRisyG8vx2Oe6aqeSQcoxRp47Xkp3+K6q+LdY=