diff --git a/go.mod b/go.mod
index b370eeb..ed09915 100644
--- a/go.mod
+++ b/go.mod
@@ -4,7 +4,7 @@ go 1.23
 
 require (
 	git.cs.nctu.edu.tw/calee/sctp v1.1.0
-	github.com/omec-project/ngap v1.3.0
+	github.com/omec-project/ngap v1.3.1
 	github.com/stretchr/testify v1.9.0
 	github.com/urfave/cli/v2 v2.27.5
 	go.uber.org/zap v1.27.0
diff --git a/go.sum b/go.sum
index 277e53a..cc9b17d 100644
--- a/go.sum
+++ b/go.sum
@@ -10,8 +10,8 @@ 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/omec-project/aper v1.2.1 h1:A4KhlTMta5mUA1DX2njOjOn0SuFi5WoWnSqdbRnl9Q8=
 github.com/omec-project/aper v1.2.1/go.mod h1:CbCZ0uNmcD3XA4YM6wBwpqP1PYtGAaC3RqLL4B5gG2U=
-github.com/omec-project/ngap v1.3.0 h1:NuAc6GZRup6E3jg+fGTy8aR4VkOlB1mnkaaYr6OGmMc=
-github.com/omec-project/ngap v1.3.0/go.mod h1:XBHem/s2xtRNCLPgH7Ubs7i72BTAvK1EILTWf7iQ0ao=
+github.com/omec-project/ngap v1.3.1 h1:I4qdtCWcheJW2g2UH5C6zP4gVlzoZWDy7f5sJLuoMEQ=
+github.com/omec-project/ngap v1.3.1/go.mod h1:Ue2JCE1nzjC2sofyhnIKSDu5rZ0VFNTGlFgbuwHSajY=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
 github.com/russross/blackfriday/v2 v2.1.0 h1:JIOH55/0cWyOuilr9/qlrm0BSXldqnqwMsf35Ld67mk=