diff --git a/.changeset/little-bees-protect.md b/.changeset/little-bees-protect.md
new file mode 100644
index 0000000000..c6fc97ebe9
--- /dev/null
+++ b/.changeset/little-bees-protect.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/renderer-react': patch
+---
+
+Add react-dom as a knownEntrypoint (speeds up astro startup)