diff --git a/.github/workflows/preview.yml b/.github/workflows/preview.yml
index 73b26273f..92ccef8a7 100644
--- a/.github/workflows/preview.yml
+++ b/.github/workflows/preview.yml
@@ -20,7 +20,7 @@ jobs:
     with:
       name: preview
       separator: P
-      connect-branch: development
+      connect-branch: feat/add-explorer-option
       advanced-tools-branch: advanced-tools
       environment: Cloudflare-Preview
       public-url: "/${{ needs.branch-sha.outputs.value }}"
diff --git a/.github/workflows/testnet.yml b/.github/workflows/testnet.yml
index ec3c689ca..f63a24e0a 100644
--- a/.github/workflows/testnet.yml
+++ b/.github/workflows/testnet.yml
@@ -20,7 +20,7 @@ jobs:
     with:
       name: testnet
       separator: T
-      connect-branch: portal-bridge
+      connect-branch: feat/add-explorer-option
       advanced-tools-branch: advanced-tools
       environment: Cloudflare-Testnet
       public-url: "/${{ needs.branch-sha.outputs.value }}"
diff --git a/apps/connect/vite.config.ts b/apps/connect/vite.config.ts
index e69729d9b..b820c4bdd 100644
--- a/apps/connect/vite.config.ts
+++ b/apps/connect/vite.config.ts
@@ -14,16 +14,20 @@ const MAINNET_RPCS =  {
   }
 }
 
+const VITE_APP_CLUSTER = process.env.VITE_APP_CLUSTER || 'testnet'
+
 // https://vitejs.dev/config/
 export default defineConfig({
   base: process.env.PUBLIC_URL || '',
   define: {
     redirects: {},
     wormholeConnectConfig: {
-      walletConnectProjectId: process.env.VITE_APP_WALLET_CONNECT_PROJECT_ID || '',
-      env: process.env.VITE_APP_CLUSTER || 'mainnet',
-      ...(process.env.VITE_APP_CLUSTER === 'mainnet' ? MAINNET_RPCS : {}),
+      env: VITE_APP_CLUSTER,
+      ...(VITE_APP_CLUSTER === 'mainnet' ? MAINNET_RPCS : {}),
       showHamburgerMenu: false,
+      explorer: {
+        href: `https://wormholescan.io/#/txs?address={:address}&network=${VITE_APP_CLUSTER}`,
+      },
       menu: [
         {
           label: 'Advanced Tools',