diff --git a/go.mod b/go.mod
index 9551b942..f2889257 100644
--- a/go.mod
+++ b/go.mod
@@ -3,10 +3,10 @@ module github.com/free5gc/n3iwf
 go 1.17
 
 require (
-	git.cs.nctu.edu.tw/calee/sctp v1.1.0
 	github.com/asaskevich/govalidator v0.0.0-20210307081110-f21760c49a8d
 	github.com/free5gc/aper v1.0.4
 	github.com/free5gc/ngap v1.0.6
+	github.com/free5gc/sctp v0.0.0-20231121085449-400a702ea7f9
 	github.com/free5gc/util v1.0.5-0.20231001095115-433858e5be94
 	github.com/sirupsen/logrus v1.8.1
 	github.com/urfave/cli v1.22.5
diff --git a/go.sum b/go.sum
index f0bf5cf9..9a3b81d8 100644
--- a/go.sum
+++ b/go.sum
@@ -31,8 +31,6 @@ cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohl
 cloud.google.com/go/storage v1.8.0/go.mod h1:Wv1Oy7z6Yz3DshWRJFhqM/UCfaWIRTdp0RXyy7KQOVs=
 cloud.google.com/go/storage v1.10.0/go.mod h1:FLPqc6j+Ki4BU591ie1oL6qBQGu2Bl/tZ9ullr3+Kg0=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-git.cs.nctu.edu.tw/calee/sctp v1.1.0 h1:caiPJ0g2sH1QmDkC7x2yklKrc01Fuo1rqYW68Tq4mU0=
-git.cs.nctu.edu.tw/calee/sctp v1.1.0/go.mod h1:NeOuBXO1iJBtldmNhkfSH8yFbnxlhI8eEJdUd7DZvws=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
@@ -77,6 +75,8 @@ github.com/free5gc/ngap v1.0.6 h1:f9sKqHMNrFZVo9Kp8hAyrCXSoI8l746N5O+DFn7vKHA=
 github.com/free5gc/ngap v1.0.6/go.mod h1:TG1kwwU/EyIlJ3bxY591rdxpD5ZeYnLZTzoWjcfvrBM=
 github.com/free5gc/openapi v1.0.4 h1:bC6oqXy8Z+3e532xLMFmrTHvdyv4sNGDPezQSslw5gQ=
 github.com/free5gc/openapi v1.0.4/go.mod h1:KRCnnp0GeK0Bl4gnrX79cQAidKXNENf8VRdG0y9R0Fc=
+github.com/free5gc/sctp v0.0.0-20231121085449-400a702ea7f9 h1:L02UI8oODfXgH1fGzWWuWF4zyze4IScEFm20q3PKZdE=
+github.com/free5gc/sctp v0.0.0-20231121085449-400a702ea7f9/go.mod h1:Nr81VlvMkBHZsCbWPXjosBh+SWLdeEyz8o0OrS110Ic=
 github.com/free5gc/util v1.0.5-0.20231001095115-433858e5be94 h1:tNylIqH/m5Kq+3KuC+jjXGl06Y6EmM8yq61ZUgNrPBY=
 github.com/free5gc/util v1.0.5-0.20231001095115-433858e5be94/go.mod h1:aMszJZbCkcg5xaGgzya+55jz+OPMsJqPLq5Z3fWDFPE=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
diff --git a/internal/ngap/dispatcher.go b/internal/ngap/dispatcher.go
index b953b475..2ed68d2e 100644
--- a/internal/ngap/dispatcher.go
+++ b/internal/ngap/dispatcher.go
@@ -3,13 +3,12 @@ package ngap
 import (
 	"runtime/debug"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
-
 	"github.com/free5gc/n3iwf/internal/logger"
 	"github.com/free5gc/n3iwf/internal/ngap/handler"
 	"github.com/free5gc/n3iwf/pkg/context"
 	"github.com/free5gc/ngap"
 	"github.com/free5gc/ngap/ngapType"
+	"github.com/free5gc/sctp"
 )
 
 func NGAPDispatch(conn *sctp.SCTPConn, msg []byte) {
diff --git a/internal/ngap/handler/handler.go b/internal/ngap/handler/handler.go
index e136849d..c3852d09 100644
--- a/internal/ngap/handler/handler.go
+++ b/internal/ngap/handler/handler.go
@@ -5,8 +5,6 @@ import (
 	"net"
 	"time"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
-
 	"github.com/free5gc/aper"
 	gtp_service "github.com/free5gc/n3iwf/internal/gtp/service"
 	"github.com/free5gc/n3iwf/internal/logger"
@@ -14,6 +12,7 @@ import (
 	"github.com/free5gc/n3iwf/pkg/context"
 	"github.com/free5gc/ngap/ngapConvert"
 	"github.com/free5gc/ngap/ngapType"
+	"github.com/free5gc/sctp"
 )
 
 func HandleNGSetupResponse(sctpAddr string, conn *sctp.SCTPConn, message *ngapType.NGAPPDU) {
diff --git a/internal/ngap/message/send.go b/internal/ngap/message/send.go
index fafaf268..91ebbd88 100644
--- a/internal/ngap/message/send.go
+++ b/internal/ngap/message/send.go
@@ -3,11 +3,10 @@ package message
 import (
 	"runtime/debug"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
-
 	"github.com/free5gc/n3iwf/internal/logger"
 	"github.com/free5gc/n3iwf/pkg/context"
 	"github.com/free5gc/ngap/ngapType"
+	"github.com/free5gc/sctp"
 )
 
 func SendToAmf(amf *context.N3IWFAMF, pkt []byte) {
diff --git a/internal/ngap/service/service.go b/internal/ngap/service/service.go
index 58e909ed..b6b53a24 100644
--- a/internal/ngap/service/service.go
+++ b/internal/ngap/service/service.go
@@ -7,14 +7,13 @@ import (
 	"sync"
 	"time"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
-
 	"github.com/free5gc/n3iwf/internal/logger"
 	"github.com/free5gc/n3iwf/internal/ngap"
 	"github.com/free5gc/n3iwf/internal/ngap/handler"
 	"github.com/free5gc/n3iwf/internal/ngap/message"
 	"github.com/free5gc/n3iwf/pkg/context"
 	lib_ngap "github.com/free5gc/ngap"
+	"github.com/free5gc/sctp"
 )
 
 var (
diff --git a/pkg/context/amf.go b/pkg/context/amf.go
index 948cfba0..1479b2df 100644
--- a/pkg/context/amf.go
+++ b/pkg/context/amf.go
@@ -4,11 +4,10 @@ import (
 	"bytes"
 	"fmt"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
-
 	"github.com/free5gc/aper"
 	"github.com/free5gc/ngap/ngapConvert"
 	"github.com/free5gc/ngap/ngapType"
+	"github.com/free5gc/sctp"
 )
 
 type N3IWFAMF struct {
diff --git a/pkg/context/context.go b/pkg/context/context.go
index 7d5a6056..2f73b902 100644
--- a/pkg/context/context.go
+++ b/pkg/context/context.go
@@ -15,13 +15,13 @@ import (
 	"strings"
 	"sync"
 
-	"git.cs.nctu.edu.tw/calee/sctp"
 	gtpv1 "github.com/wmnsk/go-gtp/gtpv1"
 	"golang.org/x/net/ipv4"
 
 	"github.com/free5gc/n3iwf/internal/logger"
 	"github.com/free5gc/n3iwf/pkg/factory"
 	"github.com/free5gc/ngap/ngapType"
+	"github.com/free5gc/sctp"
 	"github.com/free5gc/util/idgenerator"
 )
 
diff --git a/pkg/context/ngap.go b/pkg/context/ngap.go
index 1b02e4fe..a606fb93 100644
--- a/pkg/context/ngap.go
+++ b/pkg/context/ngap.go
@@ -1,7 +1,7 @@
 package context
 
 import (
-	"git.cs.nctu.edu.tw/calee/sctp"
+	"github.com/free5gc/sctp"
 )
 
 type NGAPServer struct {