diff --git a/ztnodeid/go.mod b/ztnodeid/go.mod
index 03538d6..27d9a50 100644
--- a/ztnodeid/go.mod
+++ b/ztnodeid/go.mod
@@ -2,4 +2,4 @@ module ztnodeid
 
 go 1.20
 
-require golang.org/x/crypto v0.8.0
+require golang.org/x/crypto v0.31.0
diff --git a/ztnodeid/go.sum b/ztnodeid/go.sum
index 66fe607..9615005 100644
--- a/ztnodeid/go.sum
+++ b/ztnodeid/go.sum
@@ -1,2 +1,2 @@
-golang.org/x/crypto v0.8.0 h1:pd9TJtTueMTVQXzk8E2XESSMQDj/U7OUu0PqJqPXQjQ=
-golang.org/x/crypto v0.8.0/go.mod h1:mRqEX+O9/h5TFCrQhkgjo2yKi0yYA+9ecGkdQoHrywE=
+golang.org/x/crypto v0.31.0 h1:ihbySMvVjLAeSH1IbfcRTkD/iNscyz8rGzjF/E5hV6U=
+golang.org/x/crypto v0.31.0/go.mod h1:kDsLvtWBEx7MV9tJOj9bnXsPbxwJQ6csT/x4KIN4Ssk=