diff --git a/authmate/authmate.go b/authmate/authmate.go
index 5fbd9a7..58ab058 100644
--- a/authmate/authmate.go
+++ b/authmate/authmate.go
@@ -275,7 +275,7 @@ func buildContext(rules []byte) (*session.ContainerContext, error) {
 
 	if len(rules) != 0 {
 		// cast ToV2 temporary, because there is no method for unmarshalling in ContainerContext in api-go
-		err := sessionCtx.ToV2().UnmarshalJSON(rules)
+		err := sessionCtx.UnmarshalJSON(rules)
 		if err != nil {
 			return nil, fmt.Errorf("failed to read rules for session token: %w", err)
 		}
diff --git a/go.mod b/go.mod
index 6593b3e..d088ed4 100644
--- a/go.mod
+++ b/go.mod
@@ -8,7 +8,7 @@ require (
 	github.com/google/uuid v1.2.0
 	github.com/gorilla/mux v1.8.0
 	github.com/nspcc-dev/neo-go v0.95.3
-	github.com/nspcc-dev/neofs-api-go v1.27.1
+	github.com/nspcc-dev/neofs-api-go v1.28.0
 	github.com/nspcc-dev/neofs-node v1.22.0
 	github.com/nspcc-dev/neofs-sdk-go v0.0.0-20210624072335-0348eb331c92
 	github.com/prometheus/client_golang v1.9.0
diff --git a/go.sum b/go.sum
index 6b369c2..65362f1 100644
--- a/go.sum
+++ b/go.sum
@@ -351,6 +351,8 @@ github.com/nspcc-dev/neofs-api-go v1.24.0/go.mod h1:G7dqincfdjBrAbL5nxVp82emF05f
 github.com/nspcc-dev/neofs-api-go v1.27.0/go.mod h1:i0Cwgvcu9A4M4e58pydbXFisUhSxpfljmuWFPIp2btE=
 github.com/nspcc-dev/neofs-api-go v1.27.1 h1:ONdKOnm0/hK6m38VTUliCHY6RTxg+IpAzY4G+BeOZG4=
 github.com/nspcc-dev/neofs-api-go v1.27.1/go.mod h1:i0Cwgvcu9A4M4e58pydbXFisUhSxpfljmuWFPIp2btE=
+github.com/nspcc-dev/neofs-api-go v1.28.0 h1:q3FNNz0as4XDqm/AJlAIWMX8YH0nLNbi+G9bONhnKnU=
+github.com/nspcc-dev/neofs-api-go v1.28.0/go.mod h1:YRIzUqBj/lGbmFm8mmCh54ZOzcJKkEIhv2s7ZvSLv3M=
 github.com/nspcc-dev/neofs-crypto v0.2.0/go.mod h1:F/96fUzPM3wR+UGsPi3faVNmFlA9KAEAUQR7dMxZmNA=
 github.com/nspcc-dev/neofs-crypto v0.2.3/go.mod h1:8w16GEJbH6791ktVqHN9YRNH3s9BEEKYxGhlFnp0cDw=
 github.com/nspcc-dev/neofs-crypto v0.3.0 h1:zlr3pgoxuzrmGCxc5W8dGVfA9Rro8diFvVnBg0L4ifM=