diff --git a/.changeset/afraid-dolls-walk.md b/.changeset/afraid-dolls-walk.md
new file mode 100644
index 00000000..d6dfe7d7
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+++ b/.changeset/afraid-dolls-walk.md
@@ -0,0 +1,5 @@
+---
+"preact-render-to-string": patch 
+---
+
+fix external type definitions of `renderToString`