diff --git a/step-templates/microsoft-teams-post-a-message.json b/step-templates/microsoft-teams-post-a-message.json
index 22d229dc9..5831238c2 100644
--- a/step-templates/microsoft-teams-post-a-message.json
+++ b/step-templates/microsoft-teams-post-a-message.json
@@ -1,9 +1,9 @@
 {
   "Id": "110a8b1e-4da4-498a-9209-ef8929c31168",
-  "Name": "Microsoft Teams - Post a message",
-  "Description": "Posts a message to Microsoft Teams using a general webhook.",
+  "Name": "Microsoft Teams - Post a message (Deprecated)",
+  "Description": "No longer functional due to Microsoft's webhook deprecation with Office 365 / MS Teams in Jan 2025. Please use the Microsoft Power Automate - Post AdaptiveCard step instead.",
   "ActionType": "Octopus.Script",
-  "Version": 24,
+  "Version": 25,
   "CommunityActionTemplateId": null,
   "Packages": [],
   "Properties": {