diff --git a/public/sui/index.html b/public/sui/index.html
index 7fe551af2..ff7705eff 100644
--- a/public/sui/index.html
+++ b/public/sui/index.html
@@ -103,8 +103,8 @@
 
     <script src="https://www.unpkg.com/@wormhole-foundation/wormhole-connect@0.0.5/dist/main.js"></script>
     <script>
-      // To show Optimism option on SEPT 4th 2023
-      if (new Date() < new Date(2023, 8, 4)) {
+      // To show Optimism option on SEPT 8th 2023
+      if (new Date() < new Date(2023, 8, 8)) {
         document.getElementById("cctp-default-text").style.display = "block";
         document.getElementById("cctp-optimism-text").style.display = "none";
         
diff --git a/src/App.js b/src/App.js
index c5efc851f..bf4ba3a2d 100644
--- a/src/App.js
+++ b/src/App.js
@@ -203,9 +203,9 @@ function App() {
     [push]
   );
 
-  // To show Optimism option on SEPT 4th 2023
+  // To show Optimism option on SEPT 8th 2023
   const bannerMsg =
-    new Date() < new Date(2023, 8, 4)
+    new Date() < new Date(2023, 8, 8)
       ? "Experience frictionless USDC transfers between Ethereum, Avalanche, and Arbitrum with Circle's CCTP. "
       : "Experience frictionless USDC transfers between Ethereum, Avalanche, Arbitrum, and Optimism with Circle's CCTP. ";