diff --git a/.changeset/tasty-emus-sort.md b/.changeset/tasty-emus-sort.md
new file mode 100644
index 000000000..37380f57a
--- /dev/null
+++ b/.changeset/tasty-emus-sort.md
@@ -0,0 +1,5 @@
+---
+'@web/dev-server-polyfill': patch
+---
+
+publish as esm instead of commonjs