diff --git a/pkg/util/pubkey/jwk.go b/pkg/util/pubkey/jwk.go
index d8b5c82..f5c0cb2 100644
--- a/pkg/util/pubkey/jwk.go
+++ b/pkg/util/pubkey/jwk.go
@@ -9,6 +9,7 @@ package pubkey
 import (
 	"crypto/ecdsa"
 	"crypto/ed25519"
+	"crypto/rsa"
 	"errors"
 	"fmt"
 	"reflect"
@@ -33,7 +34,7 @@ func GetPublicKeyJWK(pubKey interface{}) (*jws.JWK, error) {
 	}
 
 	switch key := pubKey.(type) {
-	case ed25519.PublicKey:
+	case ed25519.PublicKey, *rsa.PublicKey:
 		// handled automatically by gojose
 	case *ecdsa.PublicKey:
 		ecdsaPubKey, ok := pubKey.(*ecdsa.PublicKey)
diff --git a/pkg/util/pubkey/jwk_test.go b/pkg/util/pubkey/jwk_test.go
index bc85ff0..527da11 100644
--- a/pkg/util/pubkey/jwk_test.go
+++ b/pkg/util/pubkey/jwk_test.go
@@ -11,6 +11,7 @@ import (
 	"crypto/ed25519"
 	"crypto/elliptic"
 	"crypto/rand"
+	"crypto/rsa"
 	"testing"
 
 	"github.com/btcsuite/btcd/btcec/v2"
@@ -29,6 +30,17 @@ func TestGetPublicKeyJWK(t *testing.T) {
 		require.Equal(t, "EC", jwk.Kty)
 	})
 
+	t.Run("success RSA-2048", func(t *testing.T) {
+		privateKey, err := rsa.GenerateKey(rand.Reader, 2048)
+		require.NoError(t, err)
+
+		jwk, err := GetPublicKeyJWK(&privateKey.PublicKey)
+		require.NoError(t, err)
+		require.NotEmpty(t, jwk)
+		require.Equal(t, "", jwk.Crv)
+		require.Equal(t, "RSA", jwk.Kty)
+	})
+
 	t.Run("success EC secp256k1 ", func(t *testing.T) {
 		privateKey, err := ecdsa.GenerateKey(btcec.S256(), rand.Reader)
 		require.NoError(t, err)