diff --git a/go.mod b/go.mod
index 0717acd..0d1428c 100644
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ go 1.22.2
 
 require (
 	cunicu.li/go-iso7816 v0.8.0
-	cunicu.li/go-ykoath/v2 v2.1.4
+	cunicu.li/go-ykoath/v2 v2.1.5
 	github.com/ebfe/scard v0.0.0-20230420082256-7db3f9b7c8a7
 	github.com/google/go-tpm v0.9.1
 	github.com/katzenpost/nyquist v0.0.10
diff --git a/go.sum b/go.sum
index f3ecc2e..5ae7442 100644
--- a/go.sum
+++ b/go.sum
@@ -12,6 +12,8 @@ cunicu.li/go-ykoath/v2 v2.1.3 h1:zTYXnkCmH7gxvwsT5MYkBssaFZrkWoOSgF+mDauJ9A0=
 cunicu.li/go-ykoath/v2 v2.1.3/go.mod h1:6vOmtA7ovz2RdIwYCIow2ULWHJFRSfdaRsI7h7I/DLg=
 cunicu.li/go-ykoath/v2 v2.1.4 h1:oXwWZ7iAWAfZydS/Qpwl8nDTp3hz1WgGi5SsxsSolK0=
 cunicu.li/go-ykoath/v2 v2.1.4/go.mod h1:H2Q6ZpHl92pZSm9BTL6WI76eFhju0091OKDPiXK5AYA=
+cunicu.li/go-ykoath/v2 v2.1.5 h1:KcOFWRBQLWDkUi7lOvxjcQhwSjQ+D7BPxZ9MIPYxYic=
+cunicu.li/go-ykoath/v2 v2.1.5/go.mod h1:CClv0z9G762W9FW7MjYqzTcI27DOcvw+uGIeHFnfEY4=
 filippo.io/mlkem768 v0.0.0-20240221181710-5ce91625fdc1 h1:xbdqh5aDZeO0XqW896qVjKnAqRji9nkIwmsBEEbCA10=
 filippo.io/mlkem768 v0.0.0-20240221181710-5ce91625fdc1/go.mod h1:mIEHrcJ2xBlJRQwnRO0ujmZ+Rt6m6eNeCPq8E3Wkths=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=