diff --git a/_includes/upgrade-notice.html b/_includes/upgrade-notice.html
index e1d98e5..387e32b 100644
--- a/_includes/upgrade-notice.html
+++ b/_includes/upgrade-notice.html
@@ -1,35 +1,35 @@
 <script>
   function updateUpgradeNotice() {
-    const activationTime = 1621080000;
+    const activationTime = 1636977600;
     const secondsInAWeek = 604800;
 
     // When the upgrade activation is 10 weeks away, make the upgrade notice visible
     const unixTime = Math.floor((new Date()).getTime() / 1000);
     if ((unixTime > activationTime - 10 * secondsInAWeek) && (unixTime <= activationTime)) {
       $("#upgrade-notice-pre-activation").css("display", "");
     }
 
     // For the week following the upgrade activation, show a message for late-comers
     if ((unixTime > activationTime) && (unixTime < activationTime + secondsInAWeek)) {
       $("#upgrade-notice-post-activation").css("display", "");
     }
   }
   document.addEventListener('DOMContentLoaded', updateUpgradeNotice);
 </script>
 
 <div id="upgrade-notice-pre-activation" class="hero-box" style="background: #ffe090; display: none;">
-  <h3>Prepare for the May 2021 upgrade today!</h3>
-  On May 15th, 2021, the Bitcoin ABC network will upgrade.
-  When the median time of the last 11 blocks is over timestamp 1621080000 (12:00:00 UTC),
-  the nodes running a version prior 0.23.0 will no longer be in sync with the BCHA network.
+  <h3>Prepare for the Nov 2021 upgrade today!</h3>
+  On Nov 15th, 2021, the Bitcoin ABC network will upgrade.
+  When the median time of the last 11 blocks is over timestamp 1636977600 (12:00:00 UTC),
+  the nodes running a version prior 0.24.0 will no longer be in sync with the eCash network.
   <br />
-  In order to keep running after May 15th, 2021, your node needs to
-  be updated to version 0.23.0 or later.<br />
-  Update early to keep your node in sync with the BCHA network !
+  In order to keep running after Nov 15th, 2021, your node needs to
+  be updated to version 0.24.0 or later.<br />
+  Update early to keep your node in sync with the eCash network !
 </div>
 
 <div id="upgrade-notice-post-activation" class="hero-box" style="background: #ffb0a0; display: none;">
-  <h3>The May 2021 upgrade has activated!</h3>
-  If you forgot to upgrade to 0.23.0 or later, your node is no longer in sync with the rest of the network!
+  <h3>The Nov 2021 upgrade has activated!</h3>
+  If you forgot to upgrade to 0.24.0 or later, your node is no longer in sync with the rest of the network!
   Upgrade to the latest release below.
 </div>