diff --git a/token/delegation/delegation_test.go b/token/delegation/delegation_test.go
index 906f293..4059030 100644
--- a/token/delegation/delegation_test.go
+++ b/token/delegation/delegation_test.go
@@ -173,7 +173,7 @@ func TestEncryptedMeta(t *testing.T) {
 			t.Parallel()
 
 			tkn, err := delegation.New(privKey, aud, cmd, pol,
-				delegation.WithEncryptedMeta(tt.key, tt.value, encryptionKey),
+				delegation.WithEncryptedMetaString(tt.key, tt.value, encryptionKey),
 			)
 			require.NoError(t, err)
 
@@ -208,7 +208,7 @@ func TestEncryptedMeta(t *testing.T) {
 		}
 		var opts []delegation.Option
 		for k, v := range values {
-			opts = append(opts, delegation.WithEncryptedMeta(k, v, encryptionKey))
+			opts = append(opts, delegation.WithEncryptedMetaString(k, v, encryptionKey))
 		}
 
 		// Create token with multiple encrypted values
diff --git a/token/delegation/options.go b/token/delegation/options.go
index ee2eac2..4df14e7 100644
--- a/token/delegation/options.go
+++ b/token/delegation/options.go
@@ -44,10 +44,17 @@ func WithMeta(key string, val any) Option {
 	}
 }
 
-// WithEncryptedMeta adds a key/value pair in the "meta" field.
-// The value is encrypted with the given aesKey.
-// Accepted types for the value are: string, []byte.
-func WithEncryptedMeta(key string, val any, encryptionKey []byte) Option {
+// WithEncryptedMetaString adds a key/value pair in the "meta" field.
+// The string value is encrypted with the given aesKey.
+func WithEncryptedMetaString(key, val string, encryptionKey []byte) Option {
+	return func(t *Token) error {
+		return t.meta.AddEncrypted(key, val, encryptionKey)
+	}
+}
+
+// WithEncryptedMetaBytes adds a key/value pair in the "meta" field.
+// The []byte value is encrypted with the given aesKey.
+func WithEncryptedMetaBytes(key string, val, encryptionKey []byte) Option {
 	return func(t *Token) error {
 		return t.meta.AddEncrypted(key, val, encryptionKey)
 	}
diff --git a/token/invocation/options.go b/token/invocation/options.go
index e2246dc..349af2c 100644
--- a/token/invocation/options.go
+++ b/token/invocation/options.go
@@ -44,10 +44,17 @@ func WithMeta(key string, val any) Option {
 	}
 }
 
-// WithEncryptedMeta adds a key/value pair in the "meta" field.
-// The value is encrypted with the given aesKey.
-// Accepted types for the value are: string, []byte.
-func WithEncryptedMeta(key string, val any, encryptionKey []byte) Option {
+// WithEncryptedMetaString adds a key/value pair in the "meta" field.
+// The string value is encrypted with the given aesKey.
+func WithEncryptedMetaString(key, val string, encryptionKey []byte) Option {
+	return func(t *Token) error {
+		return t.meta.AddEncrypted(key, val, encryptionKey)
+	}
+}
+
+// WithEncryptedMetaBytes adds a key/value pair in the "meta" field.
+// The []byte value is encrypted with the given aesKey.
+func WithEncryptedMetaBytes(key string, val, encryptionKey []byte) Option {
 	return func(t *Token) error {
 		return t.meta.AddEncrypted(key, val, encryptionKey)
 	}