diff --git a/src/api-v1.md b/src/api-v1.md
index 0c789d2..430b932 100644
--- a/src/api-v1.md
+++ b/src/api-v1.md
@@ -1,7 +1,7 @@
 # API v1
 
-::: info
-This version of the API is stable. Future features will be added to [version 2](/api-v2).
+::: warning
+This version of the API will be sunsetted on 2025-09-12. Please use [version 2](/api-v2) instead.
 :::
 
 TaskRatchet has an API you can use to list, update, and create new tasks, among other things.