diff --git a/.changeset/rich-pants-beam.md b/.changeset/rich-pants-beam.md
new file mode 100644
index 000000000000..bc87729ebebd
--- /dev/null
+++ b/.changeset/rich-pants-beam.md
@@ -0,0 +1,5 @@
+---
+'@sveltejs/kit': minor
+---
+
+feat: validate values for `cache-control` and `content-type` headers in dev mode