diff --git a/.github/workflows/mainnet.yml b/.github/workflows/mainnet.yml
index 852fd57f1..f04ab29ff 100644
--- a/.github/workflows/mainnet.yml
+++ b/.github/workflows/mainnet.yml
@@ -7,7 +7,7 @@ on:
 
 # TODO: Use variables when GH supports it for forks. See https://github.com/orgs/community/discussions/44322
 env:
-  RPC_PROVIDER_URL: "https://rpc-mainnet.maticvigil.com"
+  RPC_PROVIDER_URL: 'https://polygon.llamarpc.com'
   ENCRYPTOR_PRIVATE_KEY: ${{ secrets.MAINNET_ENCRYPTOR_PRIVATE_KEY }}
   CONSUMER_PRIVATE_KEY: ${{ secrets.MAINNET_CONSUMER_PRIVATE_KEY }}
   RITUAL_ID: "9"
diff --git a/packages/taco/examples/encrypt-decrypt.ts b/packages/taco/examples/encrypt-decrypt.ts
index cfa835025..c7e2b99df 100644
--- a/packages/taco/examples/encrypt-decrypt.ts
+++ b/packages/taco/examples/encrypt-decrypt.ts
@@ -1,6 +1,6 @@
+import { ChainId } from '@nucypher/shared';
 import { ethers } from 'ethers';
 
-import { ChainId } from '@nucypher/shared';
 import {
   conditions,
   decrypt,
@@ -8,6 +8,7 @@ import {
   encrypt,
   getPorterUri,
   initialize,
+  isAuthorized,
   ThresholdMessageKit,
   toBytes,
 } from '../src';
@@ -35,6 +36,17 @@ const run = async () => {
       ritualId,
       web3Provider.getSigner(),
     );
+
+    // Calling it after the encryption because we need material from messageKit
+    const isEncryptorAuthenticated = await isAuthorized(
+      web3Provider,
+      domains.TESTNET,
+      messageKit,
+      ritualId,
+    );
+    if (!isEncryptorAuthenticated) {
+      throw new Error('Not authorized');
+    }
     return messageKit;
   };