diff --git a/HISTORY.md b/HISTORY.md
index 1a14e883b..847ef6540 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -1,7 +1,7 @@
 
 # Release history
 
-### main branch
+### Aider v0.53.0
 
 - [Keep your prompt cache from expiring](https://aider.chat/docs/usage/caching.html#preventing-cache-expiration) with `--cache-keepalive-pings`.
   - Pings the API every 5min to keep the cache warm.
diff --git a/aider/website/HISTORY.md b/aider/website/HISTORY.md
index fea0819d4..cf07444ac 100644
--- a/aider/website/HISTORY.md
+++ b/aider/website/HISTORY.md
@@ -16,7 +16,7 @@ cog.out(text)
 
 # Release history
 
-### main branch
+### Aider v0.53.0
 
 - [Keep your prompt cache from expiring](https://aider.chat/docs/usage/caching.html#preventing-cache-expiration) with `--cache-keepalive-pings`.
   - Pings the API every 5min to keep the cache warm.