diff --git a/HISTORY.md b/HISTORY.md
index c00213313..cfe1856c9 100644
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -4,6 +4,10 @@
 ### Aider v0.48.1
 
 - Added `openai/gpt-4o-2024-08-06`.
+- Worked around litellm bug that removes OpenRouter app headers when using `extra_headers`.
+- Improved progress indication during repo map processing.
+- Corrected instructions for upgrading the docker container to latest aider version.
+- Removed obsolete limit on 16k token limit on commit diffs.
 
 ### Aider v0.48.0
 
diff --git a/aider/website/HISTORY.md b/aider/website/HISTORY.md
index a523b16b1..ad32aa8ab 100644
--- a/aider/website/HISTORY.md
+++ b/aider/website/HISTORY.md
@@ -16,6 +16,14 @@ cog.out(text)
 
 # Release history
 
+### Aider v0.48.1
+
+- Added `openai/gpt-4o-2024-08-06`.
+- Worked around litellm bug that removes OpenRouter app headers when using `extra_headers`.
+- Improved progress indication during repo map processing.
+- Corrected instructions for upgrading the docker container to latest aider version.
+- Removed obsolete limit on 16k token limit on commit diffs.
+
 ### Aider v0.48.0
 
 - Performance improvements for large/mono repos.