diff --git a/fern/products/sdks/overview/typescript/changelog/2025-11-05.mdx b/fern/products/sdks/overview/typescript/changelog/2025-11-05.mdx
index f70921ec..f472bbfe 100644
--- a/fern/products/sdks/overview/typescript/changelog/2025-11-05.mdx
+++ b/fern/products/sdks/overview/typescript/changelog/2025-11-05.mdx
@@ -1,3 +1,7 @@
+## 3.28.1
+**`(fix):`** Always use vitest.config.mts for consistency across all generated SDKs. This ensures Vitest v3 can load the config as ESM in both CommonJS and ESM packages.
+
+
 ## 3.27.0
 **`(feat):`** Add support for variables in wire tests.