diff --git a/.changeset/happy-sheep-chew.md b/.changeset/happy-sheep-chew.md
new file mode 100644
index 0000000000..1d63fd1026
--- /dev/null
+++ b/.changeset/happy-sheep-chew.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Add `is:raw` to AstroBuiltinAttributes
diff --git a/packages/astro/src/@types/astro.ts b/packages/astro/src/@types/astro.ts
index baf4a22e76..f2c5577de0 100644
--- a/packages/astro/src/@types/astro.ts
+++ b/packages/astro/src/@types/astro.ts
@@ -25,6 +25,7 @@ export interface AstroBuiltinAttributes {
 		| string;
 	'set:html'?: any;
 	'set:text'?: any;
+	'is:raw'?: boolean;
 }
 
 export interface AstroDefineVarsAttribute {