diff --git a/.changeset/odd-kids-warn.md b/.changeset/odd-kids-warn.md
new file mode 100644
index 00000000000..021bda81456
--- /dev/null
+++ b/.changeset/odd-kids-warn.md
@@ -0,0 +1,5 @@
+---
+'@atproto/api': patch
+---
+
+additional app.bsky.feed.post Lexicon string format limits