diff --git a/README.md b/README.md
index 54759ee..042c53c 100644
--- a/README.md
+++ b/README.md
@@ -75,7 +75,7 @@ io.use(
   authorize({
     secret: async (decodedToken) => {
       const key = await client.getSigningKeyAsync(decodedToken.header.kid)
-      return key.rsaPublicKey
+      return key.getPublicKey()
     }
   })
 )