diff --git a/store.d.ts b/store.d.ts
index 95d90c3848..aa280da953 100644
--- a/store.d.ts
+++ b/store.d.ts
@@ -6,14 +6,24 @@ interface Cancellable {
 	cancel: () => void;
 }
 
+interface Tuple<T extends any, L extends number> extends Array<T> {
+	0: T;
+	length: L;
+}
+
 type State = Record<string, any>;
 
 export declare class Store {
 	constructor(state: State, options?: Options);
 
-	public compute(key: string, dependencies: string[]): void;
+	public compute<L extends number>(
+		key: string,
+		dependencies: Tuple<string, L>,
+		fn: (...dependencies: Tuple<any, L>) => any,
+	): void;
+
 	public fire(name: string, data?: any): void;
 	public get(): State;
 	public on(name: string, callback: (data: any) => void): Cancellable;
-	public set(state: State);
+	public set(state: State): void;
 }