diff --git a/.changeset/fast-lizards-fetch.md b/.changeset/fast-lizards-fetch.md
new file mode 100644
index 0000000..7059045
--- /dev/null
+++ b/.changeset/fast-lizards-fetch.md
@@ -0,0 +1,5 @@
+---
+"@cosn/tsc": patch
+---
+
+rename prettier config
diff --git a/prettier.config.mjs b/prettier.js
similarity index 100%
rename from prettier.config.mjs
rename to prettier.js