diff --git a/go.mod b/go.mod
index 46f0d69..8a78c00 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/free5gc/util v1.2.0
 	github.com/gin-gonic/gin v1.10.0
 	github.com/golang-jwt/jwt/v5 v5.2.2
-	github.com/google/uuid v1.3.0
+	github.com/google/uuid v1.6.0
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/pkg/errors v0.9.1
 	github.com/prometheus/client_golang v1.21.0
diff --git a/go.sum b/go.sum
index 087d31c..cd5f00c 100644
--- a/go.sum
+++ b/go.sum
@@ -59,8 +59,8 @@ github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEW
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
-github.com/google/uuid v1.3.0 h1:t6JiXgmwXMjEs8VusXIJk2BXHsn+wx8BZdTaoZ5fu7I=
-github.com/google/uuid v1.3.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
 github.com/gopherjs/gopherjs v1.17.2 h1:fQnZVsXk8uxXIStYb0N4bGk7jeyTalG/wsZjQ25dO0g=
 github.com/gopherjs/gopherjs v1.17.2/go.mod h1:pRRIvn/QzFLrKfvEz3qUuEhtE/zLCWfreZ6J5gM2i+k=
 github.com/h2non/gock v1.2.0 h1:K6ol8rfrRkUOefooBC8elXoaNGYkpp7y2qcxGG6BzUE=
diff --git a/internal/context/context.go b/internal/context/context.go
index fde7c88..530cbe9 100644
--- a/internal/context/context.go
+++ b/internal/context/context.go
@@ -9,7 +9,6 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/google/uuid"
 	"github.com/pkg/errors"
 
 	"github.com/free5gc/nrf/internal/logger"
@@ -48,7 +47,7 @@ func InitNrfContext() error {
 		config.Info.Version, config.Info.Description)
 	configuration := config.Configuration
 
-	nrfContext.NrfNfProfile.NfInstanceId = uuid.New().String()
+	nrfContext.NrfNfProfile.NfInstanceId = config.GetNfInstanceId()
 	nrfContext.NrfNfProfile.NfType = models.NrfNfManagementNfType_NRF
 	nrfContext.NrfNfProfile.NfStatus = models.NrfNfManagementNfStatus_REGISTERED
 	nrfContext.NfRegistNum = 0
diff --git a/pkg/factory/config.go b/pkg/factory/config.go
index 8b0eca0..a1cb015 100644
--- a/pkg/factory/config.go
+++ b/pkg/factory/config.go
@@ -13,6 +13,7 @@ import (
 	"sync"
 
 	"github.com/asaskevich/govalidator"
+	"github.com/google/uuid"
 
 	"github.com/free5gc/nrf/internal/logger"
 	"github.com/free5gc/openapi/models"
@@ -25,6 +26,7 @@ const (
 	NrfDefaultRootCertPemPath    = "./cert/root.pem"
 	NrfDefaultRootPrivateKeyPath = "./cert/root.key"
 	NrfDefaultConfigPath         = "./config/nrfcfg.yaml"
+	NrfDefaultNfInstanceIdEnvVar = "NRF_NF_INSTANCE_ID"
 	NrfSbiDefaultIPv4            = "127.0.0.10"
 	NrfSbiDefaultPort            = 8000
 	NrfSbiDefaultScheme          = "https"
@@ -65,6 +67,7 @@ type Info struct {
 }
 
 type Configuration struct {
+	NfInstanceId    string        `yaml:"nfInstanceId,omitempty" valid:"optional,uuidv4"`
 	Sbi             *Sbi          `yaml:"sbi,omitempty" valid:"required"`
 	Metrics         *Metrics      `yaml:"metrics,omitempty" valid:"optional"`
 	MongoDBName     string        `yaml:"MongoDBName" valid:"required"`
@@ -80,6 +83,10 @@ type Logger struct {
 }
 
 func (c *Configuration) validate() (bool, error) {
+	if c.NfInstanceId == "" {
+		c.NfInstanceId = uuid.New().String()
+	}
+
 	if sbi := c.Sbi; sbi != nil {
 		if result, err := sbi.validate(); err != nil {
 			return result, err
@@ -125,6 +132,31 @@ func (c *Configuration) validate() (bool, error) {
 	return result, appendInvalid(err)
 }
 
+func (c *Config) GetNfInstanceId() string {
+	c.RLock()
+	defer c.RUnlock()
+
+	var nfInstanceId string
+
+	logger.CfgLog.Debugf("Fetching nfInstanceId from env var \"%s\"", NrfDefaultNfInstanceIdEnvVar)
+
+	if nfInstanceId = os.Getenv(NrfDefaultNfInstanceIdEnvVar); nfInstanceId == "" {
+		logger.CfgLog.Debugf("No value found for \"%s\" env, fallback on config nfInstanceId : %s",
+			NrfDefaultNfInstanceIdEnvVar, c.Configuration.NfInstanceId)
+		return c.Configuration.NfInstanceId
+	}
+
+	if err := uuid.Validate(nfInstanceId); err != nil {
+		logger.CfgLog.Errorf("Env var \"%s\" is not a valid uuid, "+
+			"fallback on configuration nfInstanceId : %s", NrfDefaultNfInstanceIdEnvVar, c.Configuration.NfInstanceId)
+		return c.Configuration.NfInstanceId
+	}
+
+	logger.CfgLog.Debugf("nfInstanceId from %s : %s", NrfDefaultNfInstanceIdEnvVar, nfInstanceId)
+
+	return nfInstanceId
+}
+
 type Sbi struct {
 	Scheme       string `yaml:"scheme" valid:"scheme,required"`
 	RegisterIPv4 string `yaml:"registerIPv4,omitempty" valid:"host,optional"`