diff --git a/src/preact.d.ts b/src/preact.d.ts
index e1fc202f36..70b9697f07 100644
--- a/src/preact.d.ts
+++ b/src/preact.d.ts
@@ -365,6 +365,7 @@ declare namespace JSX {
 		shape?:string;
 		size?:number;
 		sizes?:string;
+		slot?:string;
 		span?:number;
 		spellCheck?:boolean;
 		src?:string;
@@ -487,6 +488,7 @@ declare namespace JSX {
 		script:HTMLAttributes;
 		section:HTMLAttributes;
 		select:HTMLAttributes;
+		slot:HTMLAttributes;
 		small:HTMLAttributes;
 		source:HTMLAttributes;
 		span:HTMLAttributes;